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Lana71 [14]
3 years ago
14

The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this is powers of ten i

n (a) years (b) seconds.
Physics
1 answer:
DerKrebs [107]3 years ago
8 0
1.4 times 10 in power of 10
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A pillow with mass of 0.3 kg sits on a bed with a coefficient of static friction of 0.6. What is the maximum force of static fri
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The maximum force of static friction is the product of normal force (P) and the coefficient of static friction (c). In a flat surface, normal force is equal to the weight (W) of the body. 
 
                        P = W = mass x acceleration due to gravity
    
                    P = (0.3 kg) x (9.8 m/s²) = 2.94 kg m/s² = 2.94 N

Solving for the static friction force (F), 
                                              F = P x c 
 
                                      F = (2.94 N) x 0.6 = 1.794 N

Therefore, the maximum force of static friction is 1.794 N. 



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