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Two metal balls are hung from strings. The first ball, 0.1 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1.56 m/s. The two balls stick together and the combined mass has a speed of 0.23 m/s after collision. What is the mass of the second ball?
A gob of clay, mass 217 g, falls from rest a distance 50 cm before striking and sticking to the edge of a wheel free to rotate about a horizontal axis through its center.
Ladder 6.55 m long leans against the side of a building. If the ladder is inclined at an angle of 65.5° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
Gold, which has a density of 19.3 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.
Objects that are at rest relative to Earth's surface are in circular motion due to Earth's rotation. What is the radial acceleration of a tree
One lens of a nearsighted person's eyeglasses has a focal length of -21.7 cm, and the lens is 1.70 cm from the eye. what should be the focal length of the corresponding contact lens
What are changes in the object's momentum and velocity. How much work is done if the similar tension is directed parallel to the snow.
If the induced voltage is 0.5 V, as B field is decreasing at a rate of 0.5 T/s in a loop. Calculate the area of the loop
Calculate, using Newton's law of gravity, the magnitude of the force of attraction between the Earth and a mass of 16.000 kg on the Earth's surface
A 54-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. What is the change in length of the rope when the skier has an acceleration whose magnitude is 0.59 m/s2
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the power supplied by the person pulling the bar
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, Calculate the acceleration of the elevator
You are practicing throwing darts in your dorm. You stand 3.33 m from the wall on which the board hangs. Calculate the time of flight of the dart
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