Answer:
a) 
b) 
Explanation:
Given:
mass of the ball, 
horizontal velocity of the ball, 
mass of the person, 
a)
<u>Using the law of conservation of momentum:</u>



b)
Given:
- rebound velocity of the ball,

Using conservation of momentum,



Answer:
1419.01436 N
Explanation:
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
a = Acceleration

The force on the car

Magnitude of the horizontal net force that is required to bring the car to a halt is 1419.01436 N
Answer:
Distance covered by Anthony is 3 km. Don't know about displacement though.
Answer:
B: Energy that is transformed is neither created or destroyed
Explanation:
Answer:
the answer is C
Explanation:
If you need an explanation let me know and I'll be sure to provide one