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Questions and Answers
Which of the following best describes the concept of momentum?
Which of the following best describes the concept of momentum?
- The distance traveled by a moving object
- The energy possessed by a moving object
- The product of an object's mass and velocity (correct)
- The force exerted on a moving object
Why does it hurt more when you fall on a concrete floor than on a wooden floor?
Why does it hurt more when you fall on a concrete floor than on a wooden floor?
- Concrete floors have a higher coefficient of restitution than wooden floors
- Concrete floors are harder than wooden floors (correct)
- Concrete floors have more friction than wooden floors
- Concrete floors absorb more energy than wooden floors
Why do people in larger vehicles usually end up with fewer injuries in accidents?
Why do people in larger vehicles usually end up with fewer injuries in accidents?
- Larger vehicles have more airbags
- Larger vehicles have stronger seat belts
- Larger vehicles have better brakes
- Larger vehicles have more momentum (correct)
If you have seen a Volkswagen Beetle car and a 10-wheeler Dump truck both traveling at 50 km/h in the same direction, which do you think has more momentum?
If you have seen a Volkswagen Beetle car and a 10-wheeler Dump truck both traveling at 50 km/h in the same direction, which do you think has more momentum?
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If there are two 10-wheeler Dump trucks, one moving at 30 km/h and the other moving at 50 km/h, which truck has more momentum?
If there are two 10-wheeler Dump trucks, one moving at 30 km/h and the other moving at 50 km/h, which truck has more momentum?
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