A spaceship of mass 106 kg is to be accelerated to 0.75c. How much energy does this require?

a. 13.61 × 10^23 J
b. 5.95 × 10^23 J
c. 5.06 × 10^22 J
d. 4.61 × 10^22 J
e. 27.00 × 10^23 J


d

Physics & Space Science

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Fill in the blank(s) with correct word

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The dimensional equivalence of the quantity "momentum" in terms of the fundamental quantities (mass, length, time) is:

a. MLT?1. b. ML2T?2. c. MLT. d. MLT?2.

Physics & Space Science

You throw a Frisbee of mass m and radius r so that it is spinning about a horizontal axis perpendicular to the plane of the Frisbee. Ignoring air resistance, the torque exerted about its center of mass by gravity is

a. 0. b. mgr. c. 2mgr. d. a function of the angular velocity. e. small at first, then increasing as the Frisbee loses the torque given it by your hand.

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Science can say nothing about the validity of nonscientific practices that do not make testable predictions

Indicate whether the statement is true or false

Physics & Space Science