Define linear momentum
What will be an ideal response?
The linear momentum of an object is the product of its mass and velocity.
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A typical galaxy is a ________
A) relatively small, icy object orbiting a star B) collection of a few hundred million to a trillion or more stars, bound together by gravity C) system consisting of one or a few stars orbited by planets, moons, and smaller objects D) large, glowing ball of gas powered by nuclear energy E) nearby object orbiting a planet
The thickness of the Galaxy near the Sun is about 1000 light-years
Indicate whether the statement is true or false
Three resistors with values of R1, R2 and R3, respectively, are connected in series. Which of the following expresses the total resistance, RT, of the three resistors?
a. RT = R1 + R2 + R3 b. RT = (1/R1 + 1/R2 + 1/R3) c. RT = R1 = R2 = R3 d. RT = (1/R1 + 1/R2 + 1/R3)?1
An object of mass 1.00 kg is attached to a vertical spring with spring constant 100 N/m. The object is held at rest in a position such that the spring is stretched upward a distance 1.00 cm beyond its undisturbed length
If the object is released, how far will it drop before coming to rest? A) 2.06 cm B) 2.00 cm C) 2.94 cm D) 3.06 cm E) 1.94 cm