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2 years ago

Boojho made light from a laser torch to fall on a prism. Will he be able to observe a band

Physics

1 answer:

fgiga [73]2 years ago

7 0

Answer:

It depends on whether it is a white light that hits the prison.

Explanation:

If the light from the laser is not white then he wont be able to see all seven colours because it is only a white light that absorbs other colours and when it hits the prism it will refract and therefore he will see all seven colours

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A wire is wrapped around a piece of iron, and then electricity is run through the wire. What happens to the iron?

katrin [286]

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2 years ago

12.

vazorg [7]

Answer: A

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2 years ago

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A clay vase on a potter's wheel experiences an angular acceleration of 5.69 rad/s2 due to the application of a 16.0-n m net torq

Digiron [165]

The equivalent of the Newton's second law for rotational motions is:
$\tau = I \alpha$
where
$\tau$ is the net torque acting on the object
$I$ is its moment of inertia
$\alpha$ is the angular acceleration of the object.

Re-arranging the formula, we get
$I= \frac{\tau}{\alpha}$
and since we know the net torque acting on the (vase+potter's wheel) system, $\tau=16.0 Nm$ , and its angular acceleration, $\alpha = 5.69 rad/s^2$ , we can calculate the moment of inertia of the system:
$I= \frac{\tau}{\alpha}= \frac{16.0 Nm}{5.69 rad/s^2} =2.81 kg m^2$

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2 years ago

The weight of a basketball with a mass of 0.5 kg is _N.

Mariana [72]

Answer:

4.9N

Explanation:

The formula for weight is F = ma.

You plug in the mass of 0.5kg and an acceleration of 9.8 to get

F = (0.5)(9.8)

F = 4.9N

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2 years ago

A student built a fire using coal. the coal started to burn. which statement best describes the energy changes that occurred.

sergiy2304 [10]

Answer:

98% sure the answer is A, as coal, when burning, releases thermal and light energy through the fire.

Explanation:

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2 years ago

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