Answer:
562.5J
Explanation:
The following were obtained from the question:
F = 45N
d = 12.5m
w =?
The work done can be achieved by using
w = F x d
w = 45 x 12.5
w = 562.5J
2000÷330=6.06 repatant so the answer would be about 6.06 seconds
Answer:

Explanation:
As we know that the pressure inside the liquid level is given as

here we have

h = 10.9 km
also we know that

now we have


Answer:
kick baseball
Explanation:
The sport of kickball, originally called "kick baseball," has roots going back to the early part of the 20th century in Cincinnati, Ohio. In the 1920's physical education teachers used kickball to teach the basics of baseball
Answer:
(a) 
(b) 
Explanation:
(a) According to the law of conservation of energy, the potential energy of the person at 0.40 m is equal to its kinetic energy before the colision with the floor:

This is the initial velocity in the negative y-direction. Impulse is given by:

(b) The average force is:
