Physics, 17.11.2020 19:40 kaneisha20
A roller coaster car is at the top of a 65.0 m crest. If the roller coaster car has 987,000 J of potential energy, what is its mass?
Answers: 2
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 18:40
Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory
Answers: 2
Physics, 22.06.2019 19:00
Which of the following list the divisions of the geologic time scale in order from longest to shortest
Answers: 1
A roller coaster car is at the top of a 65.0 m crest. If the roller coaster car has 987,000 J of pot...
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