Question

In: Physics

An object is thrown vertically upward with an initial speed of 56.9 m/s. (Assume the object...

An object is thrown vertically upward with an initial speed of 56.9 m/s. (Assume the object is thrown from ground level.)

(a) How high (in m) does it rise?

(b) How long (in s) does it take to reach this highest altitude?

(c) How long (in s) does it take to hit the ground after it reaches the highest altitude?

(d) What is its speed (in m/s) when it returns to the level from which it was initially released?

Solutions

Expert Solution

Initial velocity,

(a) How high (in m) does it rise?

Use formula

At max height velocity becomes zero

ANSWER:

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(b) How long (in s) does it take to reach this highest altitude?

Use Formula

At max height velocity becomes zero

ANSWER:

==============

(c) How long (in s) does it take to hit the ground after it reaches the highest altitude?

Use Formula

ANSWER:

==================

(d) What is its speed (in m/s) when it returns to the level from which it was initially released?

Use Formula

ANSWER:

============================


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