When a body moves in circular motion at constant speed, the velocity and acceleration point __________
Fill in the blank(s) with correct word
perpendicular to each other
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Most of the larger moons of gas giants were formed at the same time as the gas giants, but somewhere else in the Solar System, and captured by the gas giants later.
Answer the following statement true (T) or false (F)
A proton in a certain particle accelerator has a kinetic energy that is equal to its rest energy. What is the momentum of the proton as measured by a physicist working with the accelerator? (c = 3.00 × 108 m/s, mproton = 1.67 × 10-27 kg)
A) 2.51 × 10-19 kg ? m/s B) 2.89 × 10-19 kg ? m/s C) 4.34 × 10-19 kg ? m/s D) 5.01 × 10-19 kg ? m/s E) 8.68 × 10-19 kg ? m/s
If the diameter of a radar dish is doubled, what happens to its resolving power, assuming that all other factors remain unchanged?
A) The resolving power does not change unless the focal length changes. B) The resolving power is reduced to 1/4 of its original value. C) The resolving power is reduced to 1/2 of its original value. D) The resolving power doubles. E) The resolving power quadruples.
What are glacial striations, and how did Wegener use them to support his hypothesis of continental drift?
What will be an ideal response?