The probes sent out of our solar system were carefully designed to hide any trace of their origin
Indicate whether the statement is true or false
FALSE
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A metal rod of length L in a region of space where a constant magnetic field points into the page rotates about an axis through its center at constant angular velocity ?. The ends, A and E, make contact with a split ring that connects to an external circuit. The current in the external circuit of resistance R has magnitude
A.
B.
.C.
.D.
.E.
.Doubling the wavelength of a photon would ______________
a. reduce its energy to one-half b. double its energy c. triple its energy d. not change
The lowest places on Earth's surface are called __________ trenches
a. plateau b. mid-oceanic c. deep-sea d. none of these
Rotational Kinetic Energy: A solid ball of mass 1.0 kg and radius 10 cm rolls with a forward speed of 10 m/s when it comes to a hill. There is enough friction on the hill to keep the ball from slipping as it rolls up.(a) How high vertically up the hill can the ball roll before coming to rest?(b) How high vertically could the ball go if the hill were totally frictionless?(c) How is it that the ball can go higher with friction than without friction?
What will be an ideal response?