If a wave has a frequency of 6 Hz, it has a period of

a. 1/6 s.
b. 6.5 s.
c. 6 s.
d. 3 s.


a

Physics & Space Science

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What is the period of a satellite circling Mars 100 km above the planet's surface? The mass of Mars is 6.42 × 1023 kg, its radius is 3.40 × 106 m, and G = 6.67 x 10-11 N•m2/kg2

A) 1.75 hours B) 1.25 hours C) 1.15 hours D) 1.00 hours E) 1.45 hours

Physics & Space Science

John is carrying a shovelful of snow. The center of mass of the 3.00 kg of snow he is holding is 15.0 cm from the end of the shovel. He is pushing down on the opposite end of the shovel with one hand and holding it up 30.0 cm from that end with his other hand. Ignore the mass of the shovel. Sarah says that his hand pushing down on the shovel must be exerting a greater force than the hand pushing

up. James says it is just the reverse. Which one, if either, is correct? a. Sarah, because the hand pushing down must exert a greater force to match the torque exerted by the snow. b. James, because, depending on the location of the axis of rotation, the hand pushing down can counteract the torque exerted by the snow. c. James, because the hand pushing up must exert a force that equals the sum of the force of the hand pushing down and the weight of the snow. d. James, because both (b) and (c) above are correct. e. Neither, because the hands exert forces of equal magnitudes.

Physics & Space Science

An inelastic collision of two objects is characterized by the following

A) Total momentum of the system is conserved. B) Total energy of the system remains constant. C) Total kinetic energy of the system remains constant. D) Only A and B are true. E) A, B, and C are all true.

Physics & Space Science

The velocity of light going from air to glass ______

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science