A glass falls off a shelf. How fast is the glass moving after 0.4 seconds?

Physics

2 answers:

Rufina [12.5K]3 years ago

8 0

Answer:

3.9 m/s

Explanation:

Apex ; good luck everyone! :)

tresset_1 [31]3 years ago

6 0

On Earth, gravity increases the speed of a falling object by about 9.8 m/s
every second that it falls.

In 0.4 second, its speed increases by (0.4 x 9.8) = 3.92 m/s.

If it just rolled off of the shelf at the beginning of that 0.4 second, then it
started from zero speed, and its speed after 0.4 second is 3.92 m/s.

Its velocity is 3.92 m/s downward.

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