Acrate is pushed up each of the two ramps shown in the diagram below. based on the concept that simple machines make work easier, and assuming that both ramps are friction less, which statement is true?
ramp b requires less force than ramp a.
ramp a requires less force than ramp b.
ramp b raises the crate higher than ramp a.
ramp a raises the crate higher than ramp b.
Answers: 1
Physics, 22.06.2019 12:30, mikurrjurdan
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
Physics, 22.06.2019 13:10, alejandramirand9836
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Acrate is pushed up each of the two ramps shown in the diagram below. based on the concept that simp...