3 years ago

A man is 6ft tall. What is the smallest size plane mirror he can use to see his entire image.

Physics

1 answer:

Lelechka [254]3 years ago

8 0

Answer:

3 ft

..................

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Answer:

$a=0$ ∵ $\alpha=0\ rad.s^{-1}$

Explanation:

The tangential acceleration of a cart moving at a constant speed in a circle is:

The angular velocity is constant when the circular speed is constant.

We know that the (instantaneous) tangential velocity of such object is given by:

$v=r.\omega$

Now for angular acceleration we have a constant angular speed:

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