Finals week! Thanks for your help 1) You are calculating the maximum acceleratio

Question

Finals week! Thanks for your help

1) You are calculating the maximum acceleration for a car on a level road. Starting from a free body diagram and newtons law you find:

a= ug

here, g is free fall acceleration and u the coefficient of static friction. let a1 be the acceleration for a car of mass m1. what is the acceleration for a car of twice that mass?

2) The number of cycles of a wave passing a point per unit time is the

A) wave's speed

B) Frequency

C) loudness

D) Wave length

E) Amplitude

3) The maximum displacement of points on a wave, measured from the equilibrium position is the

A) Wavelength

B) Loudness

C) Amplitude

D) Wave's speed

E) Frequency

Thank you!

Explanation / Answer

1. the acceleration will be same as there is no dependency on the mass.

2. frequency

3. amplitude

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