1-What is the expected value of acceleration of a car (in m/s2) on a frictionless track that is inclined at an angle of 3⁰. ans=0.513 At an angle of incline of the track at 3⁰, in how much time is the cart expected to travel 0.6 meter, if it starts from rest? ans=1.53 If a car starts rolling down a road inclined at 4 how far (in meters) would it go in 2.9 minutes. (ignore friction) ans=10349

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Chapter1: Units, Trigonometry. And Vectors
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are my answers correct (with 3 significant figures)

1-What is the expected value of acceleration of a car (in m/s2) on a frictionless track that is inclined at an angle of 3⁰.

ans=0.513

At an angle of incline of the track at 3⁰, in how much time is the cart expected to travel 0.6 meter, if it starts from rest?

ans=1.53

If a car starts rolling down a road inclined at 4 how far (in meters) would it go in 2.9 minutes. (ignore friction)

ans=10349

 

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