Physics, 01.07.2020 20:01 nathaniel12
A skater wearing in β line skates (no friction) is standing in the middle of the aisle inside a bus and is not holding on to anything. Which way would the skater move in reaction to the bus as it pulls away from the bus stop? Explain you answer.
Answers: 3
Physics, 21.06.2019 16:10
Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.
Answers: 2
Physics, 21.06.2019 16:30
In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.
Answers: 2
Physics, 23.06.2019 03:30
Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.
Answers: 1
Physics, 23.06.2019 10:00
1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 Ο resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 Ο. what does an ideal voltmeter read when placed across the resistor?
Answers: 2
A skater wearing in β line skates (no friction) is standing in the middle of the aisle inside a bus...
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