push on a 1-kg brick accelerates it. Neglecting friction, equally accelerating a

Question

push on a 1-kg brick accelerates it. Neglecting friction, equally accelerating a 10-kg brick squires ) just as much force. just as much force one-tenth the amount of force. 10 times as much force. 100 times as much force none of the above The force required to maintain a constant velocity for an astronaut in free spact? is equal to the force required to stop the astronaut. the weight of the astronaut. the mass of the astronaut. zero. none of the above A jumbo yet has a mass of 100,000 kg. The thrust for each of its four engines is 50,000 N. What is the yct's acceleration when taking off? n m/s^2 0.25 m/s^2and a coin will have equal accelerations when falling in a vacuum because ir velocities are the same. the ratio of both the feather's and coin's weight to mass is the same. the force of gravity is the same for each in a vacuum. the force of gravity does not act in a vacuum. E) none of the above Suppose a particle is being accelerated through space by a a10 N force. Suddenly the particle encounters a second force of 10 M in the opposite direction The particle with both forces acting continues at the speed it had when it encountered the second force decelerates gradually to a halt is brought to a rapid halt theretically tends to accelerate toward the speed of the light none of the above

Explanation / Answer

4- B

5- A

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