Asked by Ralph

As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145.
A) What is the baseballs acceleration in m/s^2 and in g's?
B) What is the size of force acting on it?

Answers

Answered by drwls
Is the 0.005 number supposed to be seconds? What about the mass,
In physics, numbers without units are useless. You MUST learn that.

A) acceleration = a = (speed change)/(time) = 6000 m/s^2
Divide that by 9.8 m/s^2 for the number of g's

B) Use F = m*a
m = 0.145 kg, I assume

The force will be in newtons.
Answered by Ralph
Yes it is .005 s. And you assume right it is 0.145 kg. I am sorry of not putting in the units. I am really struggling with Physics.
Answered by Gabriel
is a negative answer the answer is correct but the minus is missing.
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