Answer:
its on wheels and they are supposed to make it eas
Explanation:
Answer:
Explanation:
Givens
Vi = 10 m/s
Vf = 40 m/s
a = 3 m/s^2
Formula
a = (vf - vi) /t Substitute the givens into this formuls
Solution
3 = (40 - 10) / t Multiply both sides by t
3*t = t(40 - 10)/t Combine. Cancel t's on the right
3*t = 30 Divide by 3
3t/3 = 30 / 3
Answer: t = 10 seconds.
Work done = Force x Distance
Force = 10 lb = 44.5 N
Work Done = 44.5 N x 15 m
= 667.5 N-m
Answer:
3 m/s
Explanation:
The momentum of an obejct is given by

where
m is the mass of the object
v is the velocity of the object
For the ball in this problem, we know:
is the momentum
is the mass
Therefore, we can re-arrange the equation to find v, the velocity of the ball:
