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a 56kg student runs at 5.0 m/s, grabs a hanging rope, and swings out over a lake (as shown). He releases the rope when his velocity is zero.
A) draw the FBD of the student on the rope.
B) What is the angle ? when he releases the rope?
C) What is the tension in the rope just before he releases it?
D) What is the maximum tension in the rope?
A simple harmonic oscillator consists of a block of mass 4.kg attached to a spring of spring constant 153 N/m. When t = 2 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
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what is the momentum of a 1800-kg car traveling with a speed of 27m.s (60mph)
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.
Explain how fast must the candy bar travel to have the same 106 joules in the form of kinetic energy?
Two physical pendulums ( not simple pendulum) are made from sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except one is made of wood (mass = 0.17 kg )and the other of metal (mass =..
The summit of a mountain 2450 m above a baseball camp is measured on a map to be 4 m horizontally from the base camp in a direction 32.4 west of the north. Illustrate what are the components of the displacement vector from the camp to the summit
A 10 cm high object is situated 25 cm in front of a convex mirror that has a radius of curvature of 1.00 102 cm.
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 14.70 of what would be found in a similar live animal. How old are these bones.
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