Question

A baseball is hit almost straight up in to the air with a speed of about 20 m/s. How high does it go? ​

Answer 1

Explanation:

Step 1

s

=

−

m

u

=

20

m

s

v

=

0

m

s

a

=

−

9.81

m

s

−

2

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t

=

?

s

Step 2

a

=

v

−

u

t

so

t

=

v

−

u

a

Step 3

t

=

0

−

20

−

9.81

t

=

2.04

s

Answer 2

Answer:

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Explanation:

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