8. What is the momentum of a 1.5 x 10'-kilogram car as it travels at 30. meters per second due east for 60. seconds? (1) 4.5 x 10 kgem/s, east (3) 2.7 x 10 kg•m, east (2) 4.5 x 10ʻkgem/s, west (4) 2.7 x 10 kg•m, west

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help with questions 8,9,10,11,12 and 13
8. What is the momentum of a 1.5x 10'-kilogram car as it travels at 30. meters per second
due east for 60. seconds?
(1) 4.5 × 10ʻkg•m/s, east
(3) 2.7 x 10ʻ kg•m, east
(2) 4.5 x 10ʻkg-m/s, west
(4) 2.7 x× 10° kg•m, west
9. A net force of 12 newtons acting north on an object for 4.0 seconds will produce an
impulse of
(1) 48 kg-m/s north
(3) 3.0 kg-m/s north
(2) 48 kg-m/s south
(4) 3.0 kg-m/s south
10. A force of 10. newtons acts on an object for 0.010 second. What force, acting on the
object for 0.050 second, would produce the same impulse?
(1) 1.0 newton
(2) 2.0 newtons
(3) 5.0 newtons
(4) 10. newtons
11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision
with a 5-kilogram object traveling 4 meters per second south. What is the total
momentum after collision?
(1) 0 kg-m/s
(2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east
12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per
second. The change in the object's momentum is
(1) 9.0 kg-m/s
(2) 21 kg-m/s
(3) 3.0 kg-m/s
(4) 29 kg-m/s
13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be
the change in momentum of the object?
(1) 45 kg-m/s due east
(3) 5.0 kg-m/s east
(2) 45 kg-m/s west
(4) 0.20 kg-m/s west
Transcribed Image Text:8. What is the momentum of a 1.5x 10'-kilogram car as it travels at 30. meters per second due east for 60. seconds? (1) 4.5 × 10ʻkg•m/s, east (3) 2.7 x 10ʻ kg•m, east (2) 4.5 x 10ʻkg-m/s, west (4) 2.7 x× 10° kg•m, west 9. A net force of 12 newtons acting north on an object for 4.0 seconds will produce an impulse of (1) 48 kg-m/s north (3) 3.0 kg-m/s north (2) 48 kg-m/s south (4) 3.0 kg-m/s south 10. A force of 10. newtons acts on an object for 0.010 second. What force, acting on the object for 0.050 second, would produce the same impulse? (1) 1.0 newton (2) 2.0 newtons (3) 5.0 newtons (4) 10. newtons 11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision with a 5-kilogram object traveling 4 meters per second south. What is the total momentum after collision? (1) 0 kg-m/s (2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east 12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per second. The change in the object's momentum is (1) 9.0 kg-m/s (2) 21 kg-m/s (3) 3.0 kg-m/s (4) 29 kg-m/s 13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be the change in momentum of the object? (1) 45 kg-m/s due east (3) 5.0 kg-m/s east (2) 45 kg-m/s west (4) 0.20 kg-m/s west
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As per the guidelines we will solve the first problem only. Please upload the other problems separately.

 

Given 

Mass of the car is m=1.5×103 kg

Velocity of the car is v=30 m/s towards east

Time is given as t=60 s

 

We have to find the momentum of the car.

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