The pressure in a gas is the result of the momentum transfer that occurs when the molecules bounce from the walls of the container
Indicate whether the statement is true or false
TRUE
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A 1.0-C charge is 15 m from a second charge, and the force between them is 1.0 N. What is the magnitude of the second charge?
A) 25 C B) 1.0 C C) 10 nC D) 0.025 C E) 25 nC
If an object of mass 8 kg has an acceleration of 5 m/s2, what is the unbalanced force acting on it?
a. 40 N b. 1.6 N c. 0.63 N d. 13 N e. cannot be determined
The intensity of a sound wave is a measure of:
1.energy/area 2.force/time 3.momentum change/time 4.power/time 5.pressure difference/time 6.None of the above.
A 3300. kg auto tows a 4500. kg horse trailer. If the engine causes the ground to push the car forward with 8.58 kN:
(a) What is the acceleration of the horse trailer? (b) What is the forward force on the trailer? (c) With how much force does the trailer pull back on the car?