Pressure in a fluid decreases with depth
Indicate whether the statement is true or false
FALSE
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Energy Conservation With Conservative Forces: A lightweight object and a very heavy object are sliding with equal speeds along a level frictionless surface. They both slide up the same frictionless hill with no air resistance. Which object rises to a greater height?
A. The heavy object, because it has greater initial kinetic energy. B. The light object, because gravity slows it down less. C. The lightweight object, because the force of gravity on it is less. D. The heavy object, because it has more mass to carry it up the hill. E. They both slide to exactly the same height.
A careful photographic survey of Jupiter's moon Io by the spacecraft Voyager 1 showed active volcanoes spewing liquid sulfur to heights of 70 km above the surface of this moon. If the value of g on Io is 2.0 m/s2, estimate the speed with which the liquid sulfur left the volcano
a. 260 m/s b. 530 m/s c. 790 m/s d. 970 m/s
Approximately how long does it take light to reach the Earth from the Sun?
a. 1 min b. 8 min c. 1 ly d. 8 ly e. 1 AU
The vertical displacement y(x,t) of a string stretched along the horizontal x-axis is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 rad/s)t]
(a) What is the minimum time for each complete cycle of the wave? (b) What is the distance between adjacent crests of the wave? (c) How fast does this wave travel?