A 2200 kg SUV traveling at 23.9 m/s can be stopped in 0.16 s if it hits a concrete wall. Assume that a 60 kg person was in the c
ar when it hir the wall. What is the average force exerted on the person
1 answer:
Answer:
8962.5 N
Explanation:
From fundamental kinematics equations, acceleration, a is given by 
where v is final velocity, u is initial velocity and t is time
We also know that force is a product of mass and acceleration of an object and substituting in the formula F=ma we obtain
where m is the mass of the body
Therefore, the force is 8962.5 N
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A.) Each point on a wave front acts as a source of secondary waves.
Answer is a) the force caused by the wend nag encountering wind and air.
A = 1*100 = 100 Ns
b = 10 * 12 = 120 Ns
c = 0.5*1000 = 500 Ns
d = 100 * 2 = 200 Ns
a has least momentum
Density = mass / volume
D = 89 / 10.0
D = 8.9 g/cm³
hope this helps!
Answer:
I think it might be A: Alec but tell me if I'm wrong
Explanation:
