Physics, 12.03.2021 14:50 payshencec21
Protons can escape from the surface of the sun if their kinetic energy is sufficient to overcome the gravitational potential energy. (a) Calculate the minimum speed necessary for escape. (b) The surface temperature is about 6000 kelvin. Calculate the root-mean-square speed of protons.
Answers: 2
Physics, 21.06.2019 22:30
Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
Answers: 1
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 16:40
Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward
Answers: 1
Protons can escape from the surface of the sun if their kinetic energy is sufficient to overcome the...
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