If 105 J of energy is used in 103 s, what is the average power consumption in watts?

He experimented with photography and learned how to create “cameraless” photos, also known as photograms or photograms, which he termed radiographs. He created them by physically laying things on light-sensitive paper, which he then developed in light. Thus, option A is correct.

What inventor of the photographic process in a photograph?

By placing items like the thumbtacks, coil of wire, and other circular formations utilized in this image directly on a piece of photosensitized paper and exposing it to light, Man Ray created his “rayographs” without using a camera or photography .

Although he continued to have an interest in painting after starting his artistic career as a painter, photography was the medium that brought him both commercial and critical success.

Therefore, One of the most important modernist photographers, filmmakers, and object makers was Man Ray.

Learn more about photograph here:

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Answer:

What is a capacitor?

Capacitor, a electronic component to hold charges, represented by the letter C. It composes of two metal electrodes between a layer of insulating dielectric. When a voltage is applied between the two metal electrodes, the charge is stored on the electrode, so the capacitor is an energy storage electrical part. Any of two conductors that are insulated and close to each other form a capacitor. In addition, the parallel plate capacitor consists of the electrode plate and the dielectric of the capacitor.

Capacitor is one of the widely used electronic components in electronic equipment. It is widely used in stopping DC and alternating AC, coupling, bypass, filtering, tuning loop, energy conversion, control and so on. Capacitor is different from capacitance. The capacitance is the basic physical quantity, the symbol C, the unit is F (Farah).

Explanation:

I. Capacitor characteristics

II. Functions of capacitor in electrical circuits

Answer:

centripetal acceleration becomes 4 times

Explanation:

Given that a car is in the uniform circular motion on a circular track initially and then its speed is doubled.

Now as we know the equation for centripetal acceleration in a circular motion is given as:

where:

initial centipetal acceleration

v = initial speed of the car

r = radius of the track (remains constant)

When the speed is doubled:

i.e. centripetal acceleration becomes 4 times in the later case.

Answer:

4 TIMES

Explanation:

As centripetal acceleration has formula a =v^2/r. as r is constant so a is directly proportional to square of speed so square of 2 is 4 hence 4 times

Answer:

They collide, couple together, and roll away in the direction thatthe 2m/s car was rolling in.

Explanation:

We should start off with stating that the conservation of momentum is used here.

Momentum = mass * speed

Since, mass of both freight cars is the same, the speed determines which has more momentum.

Thus, the momentum of the 2 m/s freight car is twice that of the 1 m/s freight car.

The final speed is calculated as below:

mass * (velocity of first freight car) + mass * (velocity of second freight car) = (mass of both freight cars) * final velocity

(m * V1) + (m * V2) = (2m * V)

Let's substitute the velocities 1m/s for the first car, and - 2m/s for the second. (since the second is opposite in direction)

We get:

solving this we get:

V = - 0.5 m/s

Thus we can see that both cars will roll away in the direction that the 2 m/s car was going in. (because of the negative sign in the answer)