Outside the ice line the temperatures are too warm for ices to condense
a. True
b. False
Indicate whether the statement is true or false
False
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A 250 g sticky hockey puck slides along a frictionless, horizontal ice surface at 75 m/s in the +x direction. It collides with a 500 g sticky puck originally sliding at 25 m/s in the -y direction. They collide totally inelastically. How much kinetic energy was lost in this collision?
A. 522 J B. 779 J C. 520 J D. More information is needed
The magnitude of a vector is 3.1 units and its x component is 0 units. What are the possible y components and respective angles with the x-axis of the vector?
What will be an ideal response?
A 20.0 kg box slides down a 12.0 m long incline at an angle of 3.0 degrees with the horizontal. A force of 50.0 N is applied to the box to try to pull it up the incline. The applied force makes an angle of 0.00 degrees to the incline. If the incline has a coefficient of kinetic friction of 0.100, then the increase in the kinetic energy of the box is
A. 300 J. B. 372 J. C. 410 J. D. 455 J. E. 525 J.
A cube of aluminum is at a depth of 1.00 km under water whose density is The bulk stress on the cube due to the water is
A.
B.
C.
D.
E.