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SVEN [57.7K]
3 years ago
12

Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. when they hit the ground

Physics
1 answer:
Setler79 [48]3 years ago
6 0
They will both hit the ground at the same time because gravitational acceleration for all objects is the same.
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Answer:

40 cm

Explanation:

The focus of a spherical convex mirror is the point at which the rays of an object converge in the infinite, it is also the point at which an object must be placed so that its image is formed in the infinite. The distance from the focus to the origin is called the focal length and is called f. It is related to the radius of the mirror, R, according to:

f=-\frac{R}{2}

rewriting for R:

R=-2f=-2*-20cm=40 cm.

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