In a completely inelastic collision between two objects where the mass of one is double that of the other, which of the following statements is always true?
a. The larger mass will always lose kinetic energy.
b. The smaller mass will always gain kinetic energy.
c. The momentum of the smaller mass will have a larger magnitude change than that of the larger mass.
d. Not even one of the above statements is true.
D
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Listed following are several objects in the solar system. Rank these objects from left to right based on the distance from the Sun at which they are presumed to have formed, from nearest to farthest.
On of the greatest debates is the intellectual history of mankind was whether the geocentric or heliocentric cosmos was correct. Who was it proposed by?
a) Pyrhagoras b)thayles c)Aristarchus
A rock is thrown from the edge of the top of a 100-ft tall building at some unknown angle above the horizontal. The rock strikes the ground a horizontal distance of 160 ft from the base of the building 5.0 s after being thrown. Assume that the ground is level and that the side of the building is vertical. Determine the speed with which the rock was thrown
a. 72 ft/s b. 77 ft/s c. 68 ft/s d. 82 ft/s e. 87 ft/s
3.0 moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(mol?K) and a molar heat capacity at constant pressure of 6.9 cal/(mol?K) starts at 300 K and is heated at constant pressure to 320 K,
then cooled at constant volume to its original temperature. How much heat flows into the gas during this two-step process? A) -720 cal B) 120 cal C) 0.00 cal D) 710 cal E) -120 cal