Newton's law of gravitation applies to all ______________
Fill in the blank(s) with correct word
particles
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Molecular Bonds: In general, which of the following is usually the weakest bond?
A. hydrogen bond B. van der Waals bond C. ionic bond D. covalent bond
As an object is lowered into a deep hole in the ground, which of the following assumptions must be made in regard to the object's potential energy?
a. The potential energy increases. b. The potential energy decreases. c. The potential energy remains constant. d. The potential energy increases and then decreases.
Standing Waves on a String: The speed of propagation of a transverse wave on a 2.0-m long string fixed at both ends is 200 m/s. Which one of the following is not a resonant frequency of this string?
A. 25 Hz B. 50 Hz C. 100 Hz D. 200 Hz
A car is moving in the positive direction along a straight highway and accelerates at a constant rate while going from point A to point B. If the acceleration is positive, increasing the speed of the car, when does the position where the average speed equals the instantaneous speed occur during the time interval from A to B? Assume the time interval is T
a. T/2 from the start of the interval c. after T/2 from the start of the interval b. before T/2 from the start of the interval d. It depends on the speed at the start of the time interval.