Physics, 27.01.2021 02:40 MahiraBashir
Please help me with this
Use the image below to answer question 1. 20 N 10 N 1. The skateboard above moves at a constant velocity before the two forces shown suddenly act on it. What happens to the skateboard? SC.6.P.13.3
A. The forces are balanced, so the skateboard accelerates.
B. The forces are unbalanced, so the skateboard accelerates.
C. The forces are balanced, so the skateboard continues moving at the same velocity.
D. The forces are unbalanced, so the skateboard continues moving at the same velocity.
Answers: 2
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Your starship, the aimless wanderer, lands on the mysterious planet mongo. as chief scientist-engineer, you make the following measurements: a 2.50-kg stone thrown upward from the ground at 14.0 m/s returns to the ground in 5.70 s ; the circumference of mongo at the equator is 2.20×10^5 km ; and there is no appreciable atmosphere on mongo. (a) the starship commander, captain confusion, asks for the following information: what is the mass of mongo? (b) if the aimless wanderer goes into a circular orbit 2.20×10^4 km above the surface of mongo, how many hours will it take the ship to complete one orbit? (c) an unmanned spacecraft is in a circular orbit around the moon, observing the lunar surface from an altitude of 44.0 km . to the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 23.0 m/s . if nothing is done to correct its orbit, with what speed (in km/h) will the spacecraft crash into the lunar surface?
Answers: 1
Please help me with this
Use the image below to answer question 1. 20 N 10 N 1. The skateboard abov...
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