Skill Set 07.1

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Main Page > IB Physics Skill Sets > Skill Set 07.1

1. 1. A hammer has 12.4 kg m/s of momentum, and is going 8.5 m/s, what is its mass? (1.5 kg)

Solution goes here

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2. 2. A rocket exerts 10.3 N of force for 2.23 seconds. What impulse does it impart? (23.0 Ns)

Solution goes here

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3. 3. A 17.5 N unbalanced force is exerted on a 67.1 Kg mass for 37.2 seconds. What is the change of velocity of the mass? (9.70 m/s)

Solution goes here

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4. 4. A .142 Kg baseball going 41 m/s, strikes a bat, and heads straight back to the outfield at 53 m/s. If the bat exerted a force of 2350 N, for what time was it in contact with the bat? (0.00568 s)

Solution goes here

Table of Contents


5. Question

Solution goes here

Table of Contents



1. A hammer has 12.4 kg m/s of momentum, and is going 8.5 m/s, what is its mass? (1.5 kg)


2. A rocket exerts 10.3 N of force for 2.23 seconds. What impulse does it impart? (23.0 Ns)


3. A 17.5 N unbalanced force is exerted on a 67.1 Kg mass for 37.2 seconds. What is the change of velocity of the mass? (9.70 m/s)


4. A .142 Kg baseball going 41 m/s, strikes a bat, and heads straight back to the outfield at 53 m/s. If the bat exerted a force of 2350 N, for what time was it in contact with the bat? (0.00568 s)


5. A rocket engine burns fuel at a rate of 53.5 grams per second, and develops a force of 65.2 N. What must be the exhaust velocity? (1000 grams = 1 kg) (1220 m/s)