ANSWER:
(a) 1036 N
(b) -1036 N
(c) 2590 N
STEP-BY-STEP EXPLANATION:
Given:
Mc = 1400 kg
Mt = 560 kg
a = 1.85 m/s^2
(a)
Force by car on trailer:
(b)
(c)
Hooke's Law says that F=-kx where k is the spring constant measured in N/m (newtons per meter)
Red is refracted the least and violet is refracted the most
The speed of the runner is 300 m /38 seconds. You can simplify this answer to be about 7.9 m/s
Two things can happen to <u>old satellites</u>: For the closer satellites, engineers will use its last bit of fuel to slow it down so it will fall out of orbit and burn up in the atmosphere. Further satellites are instead sent even farther away from Earth.
