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A swing is made from a rope that will tolerate a maximum tension of 6.0 x 102 N without breaking. Initially, the swing hangs vertically. The swing is then pulled back at an angle of 23 degree with respect to the vertical and released from rest. Find the mass of the heaviest person who can ride the swing?
what is the speed of the proton in the beam.define the spread in these values.
An aquarium contains a 5-cm layer of water n=1.333 floating on top of carbon tetrachloride. what is the angle of refraction into the air
A seagull flies at a speed of 10m/s directly into the wind. Knowing that it takes the bird 25 min to travel 8km relative to the earth, find the velocity of the wind. How long will it take the seagull to travel a distance of 12km with the wind?
The pressure of a gas is kept constant while 3 m3 of the gas at an initial temperature of 50oC is expanded to 9 m3. What is the final temperature of the gas
Estimate the power radiated by a basketball at 20 deg C and a human body at 37 deg C. Use Stefan-Boltzmann Law
A golf ball strikes a hard, smooth floor at an angle of ? = 32.4° and, rebounds at the same angle. What is the magnitude of the impulse applied to the golf ball by the floor
A uniform electric field of magnitude 339 N/C is directed along the +y-axis. find Through what potential difference did the charge move
a 3kg ball is attached to a .25 m long rope. if the ball isswung in a horizontal circle at 10 m/s what is the tension in the rope
A solid sphere is released from height h from the top of an incline making an angle ? with the horizontal. (a) Calculate the speed of the sphere when it reaches the bottom of the incline in the case that it rolls without slipping.
Two point charges are located on the y-axis as follows: one charge q1 = -1.85nC located at y=-0.585m , and a second charge q2 = 3.10nC at the origin (y=0). what is the direction of the total force
How many moles of air are left in the tire?
A monster truck has tires with a diameter of 1.10 m and is traveling at 32.4 m/s. After the brakes are applied, the truck slows uniformly and is brought to rest after the tires rotate through 42.8 turns.
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