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A flower pot falls from the ledge of a building. A person in an apartment below, coincidentally holding a stopwatch, notices it takes 0.7s for the pot to fall past his window, which is 18m high. g=9.81m/s2. How far above the top of the window is the ledge from which the flower pot fell? Answer in m.
A ball of mass .1kg is dropped from a height =11m above the surface of a triangular block of massM=1Kg. The triangular block is at rest on frictionless table and the kinetic energy is conserved during the collision. suppose the ball moves horiz..
A 2.0 kg mass attached to a light spring with a spring constant of 46 N/m oscillates on a frictionless horizontal surface. Find the maximum speed of the mass in its oscillation
A generating station is producing 1.90 106 W of power that is to be sent to a small town located 5.0 km away. Find the power used to heat the wires if the power is transmitted at 1050 V
Find out the time that the arrow spends in the air.
just when charliw wants to sit down, a 240 lb bully pushes him away with a force of 450 N. what is the force exerted by charlie brown on the bully
three uniform objects: a rod, a right triangle, and a square. Their masses and their coordinates in meters are given. Determine the center of gravity for the three-object system
A block is resting on a ramp with coefficient of friction between the blockand the ramp being .350, What is the max angle that the block can make without slipping
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. What is the magnitude of the spring's displacement when the spring is fully compressed
A boat is heading upstream when a float is dropped overboard and carried downstream. What is the boats speed in still water
Four objects are situated along the y axis as follows: a 2.04 kg object is at +2.94 m, a 3.03 kg object is at +2.59 m, Where is the center of mass of these objects
25.00kg lead sphere is hanging from a hook by a thin wire 3.50m long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart
A 815-kg car stopped at an intersection is rear-ended by a 1740-kg truck moving with a speed of 13.0 m/s. find the final speed of both vehicles after the collision
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