Static friction is a force that keeps an object at rest. Static friction definition can be written as: The friction experienced when individuals try to move a stationary object on a surface, without actually triggering any relative motion between the body and the surface on which it is on
<h3>How can calculate the Fs by finding your normal force and multiplying it by your static friction force?</h3>
N = mg = (9.8)×(58) = 568.4N
Fs = NKs = (568.4)×(0.42) =238.7N
b) So this is an interesting question, she's going at a speed of 0.6 m/s. Kinetic friction is pushing her back so theres a negative force which is the force of kinetic friction right. So its NKf = (238.7)×(0.35) = 83.5N
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Answer:
pt 1: 
Pt 2: 
Explanation:
Information Given: (p = density)
l = 5200km d = 35km p = 2700kg/
Part 1: Mass






Part 2: Kinetic Energy





Part 3: Jogger Speed
set up, because I don't have the mass :(
Information given:



Hope it helps :)
Answer:
Gravitational potential energy is energy an object possesses because of its position in a gravitational field. Since the force required to lift it is equal to its weight, it follows that the gravitational potential energy is equal to its weight times the height to which it is lifted.
According to Newton’s second law of motion:
F=ma
=80*0.5
=40N