Difference between revisions of "Skill Set 07.1"

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===1. Question===
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===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)===  
 
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===2. Question===
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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) ===
 
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===3. Question===
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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)===
 
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===4. Question===
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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) ===
 
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===5. Question===
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===5. 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) ===
 
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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)
 

Latest revision as of 10:50, 13 February 2009

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

Table of Contents


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

Table of Contents


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

Table of Contents


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. 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)

Solution goes here

Table of Contents