1. If two objects collide and rebound in different directions without any loss of momentum, the collision is
A. elastic
B. orthagonal
C. inelastic
D. unilateral
2. Momentum is mass times velocity, so another way to think of momentum is velocity in motion.
A. true
B. false C. not enough information
3. If the velocity of a moving car is doubled, which variable will also double?
A. distance traveled B. acceleration C. final velocity D. Momentum
Answers: 1
Physics, 21.06.2019 17:20, issaaamiaaa15
An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?
Answers: 1
Physics, 21.06.2019 23:00, POOPINgligma
Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
Answers: 1
Physics, 22.06.2019 01:00, tulensru02
Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
Answers: 1
1. If two objects collide and rebound in different directions without any loss of momentum, the coll...
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