Question 5 of 5 Change in v = 9.8 m/s2xt. The diagram shows a ball falling toward Earth in
a vacuum.
v=0 m/s
Time (s) o
1
000
2-
3
o
4
What is the velocity of the ball at 4 seconds?
A. 9.8 m/s
B. 39.2 m/s
OO
C. 58.8 m/s
D. 19.2 m/s

What occurs during a combustion reaction

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?