Physics Final Concepts
Quiz by robert henley
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43 questions
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- Q11. An elephant and a man fall from the same height and at the same time, who will hit the ground first? (no air resistance)They hit at the same timethe womenThe manthe elephant30s
- Q22. Which falls faster. A sphere, or the sphere split into two halves? Explain your answer. (no air resistance)The left halfthey both fall at the same rateThe right half30s
- Q33. One ball is dropped at the same time that the other ball is thrown horizontally. Which ball hits the ground first. Explain your answerThe dropped ballThey hit the ground at the same timethe thrown ball30s
- Q44. A cannon shot a projectile with a horizontal velocity of 30 m/s, from a height of 5 meters. How would increasing the height affect the range of the projectile shot from the cannon?decrease the rangerange would stay the sameincrease the range30s
- Q55. A cannon shot a projectile with a horizontal velocity of 30 m/s, from a height of 5 meters. How would decreasing the height affect the range of the projectile shot from the cannon?The range would decreaseThe range would stay the sameThe range would increase30s
- Q66. A cannon shot a projectile with a horizontal velocity of 30 m/s, from a height of 5 meters. How would increasing the velocity affect the range of the projectile shot from the cannon?The range would stay the sameThe range would increaseThe range would decrease30s
- Q77. A cannon shot a projectile with a horizontal velocity of 30 m/s, from a height of 5 meters. How would decreasing the velocity affect the range of the projectile shot from the cannon?The range would decreaseThe range would increaseThe range would stay the same30s
- Q88. If two objects were thrown horizontally with different velocities from the same height, would the object with the faster velocity hit the ground first?The faster velocity hits the ground firstThey would hit the ground at the same timeThe slower velocity hits the ground first30s
- Q99. Does the centripetal force vector point toward the center of the circle or point at a right angle to the circle?right angleCenterthey both point in the same direction30s
- Q1010. Does the tangental force vector point toward the center of the circle or point at the right angle to the circle?They both point in the same directionToward the centerat a right angle to the circle30s
- Q1111. The cannon shot a projectile with velocity of 15m/s and an angle of 20 degrees reaching a range of 14.08 for trajectory A. What happens to range when shot from 30 degrees?Range decreasesRange remains the sameRange increases30s
- Q1212. The cannon shot a projectile with velocity of 15m/s and an angle of 20 degrees reaching a range of 14.08 for trajectory A. What happens to range when shot from 45 degrees?Range increasesRange decreasesRange remains the same30s
- Q1313. What angle must a cannon shoot a projectile from, to produce a trajectory that reaches the greatest range?90 degreesall angles produce the same trajectory30 degrees45 degrees30s
- Q1414. A green car has a momentum of 1200 kg*m/s, a yellow car with the same mass as the green car, but is moving with twice the speed of the green car. Describe the momentum of the yellow car.Momentum is zero due to gravityThe yellow car has half the momentumEach car has the same momentumthe yellow car has twice the momentum30s
- Q1515. Two runners are running with the same speed. Explain why one of the runners has twice the momentum.momentum is age dependentone runner is wearing Air Jordansone runner is twice as massive as the other30s