Which two objects have stored energy?
a ball rolling on the ground
a small rock s...
Answers: 2
Physics, 21.06.2019 23:00
When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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Physics, 22.06.2019 06:00
What are atoms of the same element with varying number of neutrons
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Physics, 22.06.2019 13:30
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
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