Physics, 12.04.2021 01:00 kadestew21
Doug places a toy car at the top of the first hill and releases it. The car stops at point X. Which change to the model would allow the toy car to travel over all three hills?
A. Add a loop after the tallest hill in order to maximize the kinetic energy of the car.
B. Order the three hills from shortest to tallest so that the potential energy builds up according to the height of each hill.
C. Order the three hills from tallest to shortest to provide the potential energy needed for the car to make it over each hill.
Answers: 2
Physics, 22.06.2019 15:40
How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
Answers: 1
Physics, 22.06.2019 20:50
Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?
Answers: 1
Physics, 23.06.2019 01:00
The bubbles in a carbonated soft drink are produced when carbonic acid decomposes to form carbon dioxide and water. in a closed system, this equilibrium exists as why does a carbonated soft drink lose carbonation when the container is left open? a.water evaporates, which favors the formation of h2co3. b.pressure decreases, which favors the formation of h2co3. c.the open container warms up, which causes more gas to escape. d.co2is removed, which favors the formation of h2co3.
Answers: 2
Physics, 23.06.2019 04:50
How does the motion of an airplane compare to the motion of a rocket ?
Answers: 1
Doug places a toy car at the top of the first hill and releases it. The car stops at point X. Which...
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