'Acceleration' means ANY change in speed or direction
of motion.
A). Acceleration. The satellite is in a curved orbit, so
its direction is constantly changing.
B). Acceleration. The person is on a curved track, so
his direction is changing.
C). Acceleration. The car is following a curve, so
its direction is changing.
D). No acceleration. Straight, at constant speed.
No change of speed or direction.
1. The signs of the velocities of the balls were changed, this is a result of the elastic collision between the two balls. The law involved in here is the Law of Interaction.
2. During the elastic collision, the momentum is conserved.
3. The velocity would be lower. There is a tendency for these balls to stick together.
Answer:
yes
Explanation:
because when you shot the ball your applying force to it
My average speed for a walk depends on how far I walk.
If I walk one mile or more, then my average speed is about 2 miles per hour.
Your results may be different.
1. the insect
because of how fast the car is going and how small they are