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A friend of yours is 41 meter directly to your left. You and she start running at the same time, and both run in straight lines at constant speeds. You run directly forward at 5.00 meter per second for 125 meter. She runs to the same final point as you, and wants to arrive at the same moment you do. Evaluate how fast must she run?
A dockworker applies a constant horizontal force of 89.0 n to a block of ice on a smooth horizontal floor. The frictional force is negligible. What is the mass of the block of ice
Two space walkers, one with a mass of 77 kg and the other with a mass of 78 kg, hold on to the ends of a lightweight cable 14.5 m long. how far will the less massive astronaut move
electrons can penetrate the nucleus because the nuclear material exerts no forces on them other than electric forces.
Robert has just bought a new model rocket, and is trying to measure its flight characteristics. how much work is done by the drag force on the rocket during its ascent
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 80.5 kg and a radius R = 0.625..
an extremely long thin wire carries a uniform linear charge density of 358 ncm. find the potential difference between
Ball 1, with a mass of 130g and traveling at 14m/s, collides head on with ball 2, What are the final velocities of each ball if the collision is perfectly elastic
Car is traveling at constantspped, passes a car stopped, it accelerates at 7m/s2 , what is final velocity of originally stopped car
A visual inspection of an insect with mass 0.4mg (milligrams) suggest that its uncertainty in postion is 0.5um, How fast could the insect be moving
a car with a total mass of 1.92103 kg has wheels of radius 31.0 cm and moment of inertia 0.830 kg middot m2. what is
The top of the pool table is 2.80 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table, At what speed did his pool ball hit the ground
a c-glass filament reinforced epoxy composite contains 65 vol filaments and has a density of 2.24 mgm3. if the c-glass
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