5) Provide a list of components in the circuit with respect to what you have been taught in Analogue Electronics

Answer:

F = M a + M g     where a is the acceleration of mass M

Since a = 0 (no accleration)

F = M g = 65 kg * 9.80 m/s^2 = 637 Newton's

The magnitude of force in the scale reading is 637 N.

The acceleration an object experiences as a result of gravitational force is known as acceleration due to gravity.

Here,

Mass of the student, m = 65 kg

Since, the elevator is moving downwards, the expression for the apparent weight of the student can be given as,

F = m(g + a)         since, elevator is in downward motion.

Given that, the elevator is moving downwards with a constant velocity. Therefore, the acceleration of the elevator moving downwards,

a = 0  

Therefore, the magnitude of force(apparent weight) will be,

F = m(g + 0)

F = mg

F = 65 x 9.8

F = 637 N

That means the apparent weight of the student is equal to his actual weight.

Hence,

The magnitude of force in the scale reading is 637 N.

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Radius of motion = 3.2 m

In this problem, we are given the mass, velocity, and net force of an object moving in a circle and we are asked to find the radius of motion. We can use the formula for centripetal force which is net force = (mass x velocity^2) / radius, and rearrange it to find the radius. Plugging in the given values, we get the radius of motion to be 3.2 meters. This means that the object is traveling in a circle with a radius of 3.2 meters under the influence of a net force of 15 N.

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The kinetic energy becomes more positive

The electric potential energy becomes more negative

Note:

• The electron is released from rest

• The electric field is constant

As the electron travels through the constant electric field:

• The electric potential energy becomes more negative with time

• The kinetic energy becomes more positive with time

Answer:

it is 45

Explanation:

Answer:

To find the volume of a rectangular object, measure the length, width and height. Multiply the length times the width and multiply the result by the height. The result is the volume. Give the result in cubic units, such as cubic centimeters.

Explanation:

Answer:

Kinetic energy is the energy possessed by an object due to its motion. If an object is moving, then it has kinetic energy. The amount of kinetic energy depends on mass and speed.

Explanation:

Answer:

what? im kinda confused....

what do you mean by road work ahead??

The distance by which the slingshot must be stretched in order to launch the rock at 20.0 m/s is 0.024525 cm.

The velocity of the 5.00-gram rock horizontally is 20.0 m/s. Assume the stretch in the slingshot is x. The spring constant of the slingshot is 200 N/m.

The mass of the rock is 5.00 grams. Using Hooke's law,

F = kx

where F is the force required to stretch the spring k is the spring constant x is the displacement from the equilibrium position of the spring. The force required to stretch the spring is given as:

F = mg

where m is the mass of the rock and g is the acceleration due to gravity

Putting it all together, we get:

kx = mgx = mg/kx = (0.005 kg)(9.81 m/s²)/200 N/mx = 0.00024525 m

Convert it to cm by multiplying with 100:

x = 0.024525 cm

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Answer: True

Explanation: Light enters your eye through the lens which then hits the retina which is located in the back of your eye.

Answer:

all I know is C

are there more questions? anyone?

-KARL IS STOOPID

Explanation:

Answer:

Pemain A

Explanation:

Mengingat data berikut;

Kecepatan pemain A = 12 m/s

Kecepatan pemain B = 36 km/h

Untuk menentukan siapa pelari tercepat di antara dua pemain;

Pertama-tama, kita harus mengubah kecepatan menjadi satuan standar pengukuran yang sama.

Jadi, mari kita gunakan pengukuran umum meter per detik.

Konversi:

36 km/h = (36 * 1000)/(60 * 60)

36 km/h = 36000/3600

36 km/h = 10 m/s

Kecepatan pemain B = 10 m/s

Oleh karena itu, dibandingkan dengan kecepatan pemain A; pemain A lebih cepat.

the set-up integral for the volume V cut out is:

V_cut out = ∫_0^h (π(7r)² - π(9R)²) the set-up integral for the volume V cut out is:

V_cut out = ∫_0^h (π(7r)² - π(9R)²) dh

How can we obtain the volume V cut out?

To set up an integral for the volume V cut out when a hole of radius 7r is bored through the middle of a cylinder of radius 9R > 7r at right angles to the axis of the cylinder, we will use the principle of volumes of solids of revolution. We will assume that the cylinder and the bored hole are both of the same height 'h'.

The volume of the cylinder can be found using the formula of the volume of a cylinder:

V_cylinder = πr²h

Where r is the radius of the cylinder.

Volume of the cylinder is given as;

V_cylinder = π (9R)² h

We are given that a hole of radius 7r is bored through the middle of the cylinder. The volume of the hole can be found by taking the difference between the volumes of two cylinders; one with radius 7r and height h and the other with radius 9R and height h. The volume of the hole can be found using the formula;

V_hole = πr²h - πr²h

Where r is the radius of the hole (7r) and h is the height of the cylinder. The radius of the cylinder is 9R. Therefore, the volume of the hole is given as;

V_hole = π(7r)²h - π(9R)²h

We can now set up the integral for the volume V cut out using the formula;

V_cut out = ∫_0^h (π(7r)² - π(9R)²) dh

By evaluating this integral, we can obtain the volume V cut out. Therefore, the set-up integral for the volume V cut out is:

V_cut out = ∫_0^h (π(7r)² - π(9R)²) dh

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Answer:

Explanation:

a)

By Hooke's law

F=kx

⇒kd

=83.8×0.0546

=4.575N

By Hooke's law, F=kx ⇒kd =83.8×0.0546 =4.575N.

The first traditional example of an explanation of elasticity is Hooke's law. Elasticity is the quality of a substance or item that allows it to return to its original shape after distortion.

It is possible to refer to a "restoring force" as the capacity to restore normal shape after distortion. This restoring force, when viewed in the context of Hooke's Law, is often proportional to the degree of "stretch" encountered.

These experiments can range from blowing up a balloon and pulling on a rubber band to calculating the amount of wind pressure required to bend and wobble a tall building.

Therefore, By Hooke's law, F=kx ⇒kd =83.8×0.0546 =4.575N.

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To calculate the buoyant force, subtract the weight of the block in water from its weight in air which will give 10 N.

The buoyant force on a block of metal submerged in water can be determined by comparing its weight in air and its weight in water. In this case, the block weighs 40 N in air and 30 N in water. The difference in these weights is due to the buoyant force acting on the block when it is submerged in water.

To calculate the buoyant force, subtract the weight of the block in water from its weight in air: 40 N (air) - 30 N (water) = 10 N. Therefore, the buoyant force acting on the block due to the water is 10 N. This force is caused by the pressure of the water pushing up on the block, effectively making it feel lighter. The density of water (1000 kg/m³) is not required to determine the buoyant force in this scenario, as the information provided is sufficient to directly calculate the force.

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upper body muscular strength

Answer:

Explanation:

muscular strength test

The angular acceleration of the object after it is released from rest can be calculated using the formula α = (g*(r1-r2))/r1r2, where g is the acceleration due to gravity. Neglecting any frictional effects, this formula takes into account the difference in radii between the object's initial and final positions.

When the object is released from rest, it begins to fall due to the force of gravity. As it falls, its potential energy is converted into kinetic energy, causing it to gain speed. Since the object is constrained to move along a circular path, this increase in speed corresponds to an increase in angular velocity. The angular acceleration is the rate at which the angular velocity is changing, and is given by the formula α = Δω/Δt.

In this problem, we can use the fact that the object is not sliding or slipping along the surface to assume that the net torque acting on it is zero. This means that the angular acceleration is solely determined by the radial forces acting on the object. The difference in radii between the object's initial and final positions gives rise to a net radial force, which is responsible for the object's angular acceleration. Using the formula α = (g*(r1-r2))/r1r2 takes into account this net radial force and yields the angular acceleration of the object.

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The factors affect the performance of a solar cell are temperature of the cell, the intensity of the light, and the cell's construction and material used

High temperatures lead to a decrease in cell efficiency, and hence, the power output of the cell. Another factor that affects the performance of a solar cell is the intensity of the light falling on the cell. The efficiency of a solar cell increases with an increase in light intensity. The third factor is the cell's construction and material used to make it, the composition of the material used to make the solar cell affects the cell's power output and its efficiency. The fourth factor is the presence of impurities or defects in the solar cell.

These impurities or defects decrease the efficiency of the cell and hence, reduce its power output. Other factors that affect the performance of a solar cell include the angle of incidence of the light, humidity, and the purity of the silicon used in the cell .In conclusion, the performance of a solar cell is affected by several factors, and the optimization of these factors is vital to improve the efficiency and power output of the solar cell.

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Let T be the final temperature of water and nails (iron).

Given that the initial temperature of 100 g nails, \(T_{1F}=40^{\circ}C\).

Specific heat of the iron, \(C_F=0.12 cal/g^{\circ}C\).

So, the heat lost by nails \(= mC_F(T_{1F}-T}\)

\(=100\times 0.12 \times (40-T)\cdots(i)\)

The initial temperature of 100 g water, \(T_{1w}=20^{\circ}C.\)

Specific heat of water, \(C_w=1 cal/g^{\circ}C\)

So, the heat gained by water \(= mC_w(T-T_{1w}}\)

\(=100\times 1 \times (T-20)\cdots(ii)\)

As the exergy is conserved, so

the heat lost by the nails = the heat gained by the water

From equation (i) and (ii), we have

\(100\times 0.12 \times (40-T)=100(T-20)\)

\(\Rightarrow 0.12(40-T)=T-20\)

\(\Rightarrow 0.12\times 40 -120T=T-20\)

\(\Rightarrow 0.12T+T=4.8+20\)

\(\Rightarrow 1.12T=24.8\)

\(\Rightarrow T=24.8/1.12= 22.1^{\circ}C\)

Hence, the final temperature of both, iron nails as well as water, become \(22.1^{\circ}C\).

Force applied is directly proportional to displacement.

It is given by the formula

Here F is the force , k is the spring constant , x is the displacement.

Substituting the values,

Answer:

whrn a human breath it absorb15 % of oxygen whereas when a bluewhale breathes it can absorb 90% and breath out 10 %

There are some similarity between some natures of blue whales and humans. Both are respring from air. Similarly the immunity systems and chewing mood of food in both have slight similarities.

Blue whales are fish like organisms living in deep oceans or seas. They are the known largest animal in the world. Blue whales are mammals and not like other small aquatic organisms.

The immunity system in blue whales are similar to those of humans. And moreover some studies shows that their tRNA genes functions similar to those in human.

Blue whales breathe from air and not from the water. Similarly they chew food sometimes similar to humans. Some studies have reported that the evolution of humans and blue whales had exhibited some common factors with respect to the survival and immunity.

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The graph that best represents the relationship between the velocity of an object thrown straight upward from the Earth's surface and the time that elapses while it is in the air is (option D)

Velocity is the directional speed of a moving object as an indicator of its rate of change in location as perceived from a certain frame of reference and measured by a specific time standard.

In other words, velocity is the primary indication of an object's location as well as its speed. It is defined as the distance traveled by an item in one unit of time. The displacement of an item in unit time is defined as velocity.

The equation that speaks to the velocity at a vertically upwards object that is accelerated against gravity and time is given as:

v = u + at; where

v = velocity

u = point from which the object starts to move

a is acceleration; and

t is time.

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Full Question:

See attached image

Answer:

The momentum of the two balls if they stick together after the collision is 0.6 kgm/s.

Explanation:

Apply the principle of conservation of linear momentum, the total momentum before collision is equal to the total momentum after collision.

Given;

initial momentum of the cue ball = 0.5 kgm/s

initial momentum of the 8 ball = 0.1 kgm/s

\(P_{before} = P_{after}\\\\0.5 \ kgm/s + 0.1 \ kgm/s = P_{after}\\\\P_{after} = 0.6 \ kgm/s\)

Therefore, the momentum of the two balls if they stick together after the collision is 0.6 kgm/s.

The average speed is  26.7 Km/s

Average speed is the total distance traveled by an object divided by the time taken to travel that distance. It is a measure of how fast an object travels over a given distance, on average.

The formula for average speed is:

Average speed = total distance traveled / time taken

We know that;

Speed = Distance/Time

We have to note that;

Distance =  7. 00 x 10^8 km

Time = 303 * 24 * 60 * 60

= 7. 00 x 10^8 km/303 * 24 * 60 * 60

= 26.7 Km/s

The speed that we find is 26.7 Km/s

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Answer:

virtual

Explanation:

because the light rays do not meet at the image position

the other options are definitely wrong because

characteristics of a plane mirror images are that,

it is the same size as the object

it is upright

Answer:

B - Virtual

Explanation:

The object's velocity-time graph is provided, and we need to determine the true statement about the motion of the object.

From the velocity-time graph, we can observe the following key features. Firstly, the graph shows a positive constant slope, indicating a constant positive velocity. This implies that the object is moving in a straight line with a consistent speed in a positive direction. Secondly, the graph is a straight line without any changes in slope, indicating that the velocity remains constant throughout the object's motion.

Based on these observations, the true statement about the object's motion is that it is moving with a constant velocity in a straight line. The graph's linear nature and constant slope suggest that the object maintains the same speed and direction without any changes in its motion over time.

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The equation PE = mgh relates gravitational potential energy to mass, acceleration due to gravity, and height, gravitational potential energy itself is a distinct concept representing the energy associated with an object's position in a gravitational field.

According to the equation PE = mgh, gravitational potential energy (PE) is the product of mass (m), acceleration due to gravity (g), and height (h). However, gravitational potential energy is not the same thing as any of these individual quantities.

Gravitational potential energy refers to the energy possessed by an object due to its position in a gravitational field. It represents the potential for the object to do work when it is released and allowed to fall or move under the influence of gravity.

Mass (m) represents the amount of matter an object contains, acceleration due to gravity (g) represents the strength of the gravitational field, and height (h) represents the vertical distance from a reference point to the object. These quantities are used together in the equation to calculate the gravitational potential energy of the object.

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The average angular acceleration of the figure skater during the time interval of 4.6 s is 0.99 rad/s².

For this question:

Then,

angular acceleration = Change in angular velocity / time

α = ω2 - ω1 / t

α = 7.7 - 3.2 / 4.6

α = 4.5/4.6

α = 0.99 rad/s²

Thus, the average angular acceleration of the figure skater during the time interval of 4.6 s is 0.99 rad/s².

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The calculate the total distance traveled by a particle on [0, Ï], we need to find the absolute value of the area under the velocity curve. This is because distance is the magnitude of displacement, which can be negative or positive depending on the direction of motion, but the area under the curve represents the total magnitude of the motion.

The start by finding the antiderivative of the velocity function v(t) = -sin (t - Ï/4) ∫v(t) dt = ∫-sin (t - Ï/4) dt = cos (t - Ï/4) + C
Next, we the antiderivative at the bounds of integration cos(Ï) - cos (0 - Ï/4) = cos(Ï) - cos(Ï/4) Finally, we take the absolute value of the difference between the two evaluated antiderivatives to get the total distance traveled:
|cos(Ï) - cos(Ï/4) | This is the answer to the question, expressed in 200 words. The total distance traveled by a particle on [0, Ï], given that the velocity is v(t) = -sin (t - Ï/4), is |cos(Ï) - cos(Ï/4) |. We find the total distance traveled by taking the absolute value of the difference between the antiderivative of the velocity function evaluated at the bounds of integration. This approach works because distance is the magnitude of displacement, which can be negative or positive, but the area under the curve represents the total magnitude of the motion.

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When a transformer with 4 turns in its primary coil and 20 coils in its secondary coil is connected to a 5 volt battery on its primary side, the voltage is raised to 25 volts on the secondary side.

Transformers work on the principle of electromagnetic induction, where a changing magnetic field in the primary coil induces a voltage in the secondary coil. The voltage is determined by the ratio of the number of turns in the secondary coil to the number of turns in the primary coil. In this case, the ratio is 20:4 or 5:1, which means the voltage is raised to 5 times the input voltage of 5 volts, which is 25 volts. It is important to note that transformers only work with AC voltage sources, not DC sources like batteries.

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