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A 55 kilogram gymnasts hang vertically from a pair of parallel rings.
(a) If the ropes supporting the rings are attached to the ceiling directly above, find the tension in each rope?
(b) If the ropes are supported so that they make an angle of 45 degrees with the ceiling, evaluate what is the tension in each rope?
Mass 1 is a 15.0 g marble sliding to the left with a velocity of magnitude 0.72 m/s on the frictionless, Calculate the momentum of the marbles before the collision
A box is pushed across the floor, slide with a constant velocity, and is opposed by a friction force of 25N. What is the magnitude of the force? Choose the correct answer. A.Less than 25N B.Zero C.Greater than 25N D.25n
Consider the swimmer in the figure below. Suppose that his swimming speed relative to the water is 5.7 m/s, current = 2.6 m/s, How long will it take for him to cross the river
A shell is fired from a gun with a muzzle velocity of 25 m/s, at an angle of 60° with the horizontal. How far from the gun does the other fragment land
A bowling ball encounters a 0.760 mvertical rise on the way back to the ball rack, as the drawingillustrates. Find the translational speed (in m/s) at the top
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
Elm Street has a pronounced dip at the bottom of a steep hill before going back uphill on the other side. Sitting on the scale while the car is parked gives a reading of 588 N. Analyze your data, using a graph, to determine the dip's radius of curv..
question consider the interaction between an electron and a proton separated by some distance r. compare the
A point source of light is submerged 3.58 m below the surface of a lake and emits rays in all directions. On the surface of the lake, directly above the source, the area illuminated is a circle. What is the maximum radius that this circle could have?
During a physics experiment, helium gas is cooled to a temperature of 20.0 K at a pressure of 0.150 atm, What are the mean free path in the gas
A tube of mercury with resistivity 9.84 x 10-7Ω*m has a 25 N/C electric field inside thecolumn of mercury. How much current is flowing, if the diameter ofthe tube is 1.0 mm
The current through B is found to be 1.0 A. When the two resistors are connected in series to the 9.0 V battery, a voltmeter connected across resistor A measures a voltage of 2.0 V. Find the resistances A and B.
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