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SITEMAP School-college Physics Notes: Forces & motion 6.1 What is momentum
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Forces and Newton's Laws of Motion 6.1 What is the momentum of a moving object and how do we calculate it? Doc Brown's Physics exam study revision notes This page contains online questions only. Jot down your answers and check them against the worked out answers at the end of the page 6.1 What is the momentum of an object and how do we calculate it? All moving objects have what we call momentum. (sometimes denoted by a lower case p)
Therefore the equation for momentum is ...
Example of simple calculations using the formula for momentum Q1 A 120 kg sprinter is travelling at 9.0 m/s, what is the momentum of the runner?
Q2 If a 20 g bullet has a momentum of 8 kg m/s, calculate its velocity.
Q3 What mass must an object have if it has a momentum of 1.5 x 10^{6} kg m/s and a velocity of 30 m/s?
Q4 What is the velocity of a 1500 kg car travelling north with 30 000 kg m/s of momentum?
Keywords, phrases and learning objectives for elastic/inelastic collisions and momentum
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Worked out
ANSWERS
to the simple momentum calculation questions Example of how to work out simple calculations using the formula for momentum Q1 A 120 kg sprinter is travelling at 9.0 m/s, what is the momentum of the runner?
Q2 If a 20 g bullet has a momentum of 8 kg m/s, calculate its velocity.
Q3 What mass must an object have if it has a momentum of 1.5 x 10^{6} kg m/s and a velocity of 30 m/s?
Q4 What is the velocity of a 1500 kg car travelling north with 30 000 kg m/s of momentum?
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