A force can be exerted on an object and yet do no work
Indicate whether the statement is true or false
TRUE
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In what region of the solar system is Pluto found?
A) the asteroid belt B) the Kuiper belt C) the Oort cloud D) the terrestrial planet region
Mass on a Spring: A mass on a spring undergoes SHM. When the mass passes through the equilibrium position, which of the following statements about it are true? (There could be more than one correct choice.)
A. Its acceleration is zero. B. Its speed is zero. C. Its elastic potential energy is zero. D. Its kinetic energy is a maximum. E. Its total mechanical energy is zero.
Phil Physiker standing at the edge of a cliff throws one ball straight up and another ball straight down, both with the same speed. Neglecting air resistance, which ball hits the ground below with the greater speed?
A) the one thrown upward B) the one thrown downward C) neither, both hit with the same speed
The Phanerozoic is a(n)
a. epoch. b. era. c. eon. d. period.