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Question: A person swings a 0.521-kg tether ball tied to a 4.60-m rope in an approximately horizontal circle. If the maximum tension the rope can withstand before breaking is 10.2 N, what is the maximum angular speed of the ball?
A bicyclist coasts down a 5.39° slope at a steady speed of 8.37 m/s. Assuming a total mass of 87.1 kg (bicycle plus rider), what must the cyclist's power output be to pedal up the same slope at the same speed
A 18 g rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, evaluate the horizontal component of the pendulum's displacement
Bailey is trying to save a young girl under a 15 m long wooden beam. She lifts the beam up from one side with a force of 25 N using her nose. find the magnitude of the torque that Bailey puts on the beam
A toy cannon uses a spring to project a 5.30 g soft rubber ball. The spring is originally compressed by 5.00 cm, At what point does the ball have maximum speed
As a soap bubble (n = 1.33) evaporates and thins, thereflected colors gradually disappear. What is the last color seen
A charge of q= +7.5uC is located in an electricfireld. The x & y components of the electric field are Ex=6.00 X 10^3 N/C and Ey = 8.00 X 10^3 N/Crespecitvely. What is the magnitude of the force on thecharge?
the weight of the block on the table is 380 N and that of the hanging block is 175 N. What is the acceleration of the two block
an astronaut on the surface of the moon fires a cannon to launch an experiment package, which leaves the barrel moving horizontally. what time interval does this trip around the moon require
Reply in m/s. Also, why does the car's mass not matter.
A hockey puck Brests on a smooth surface of ice and is struck by a second puck A, Compute the speed of puck after the collision
A 55-kg hiker starts at an elevation of 1600 m and climbs to the top of a 3100-m peak. What is the hikers change in potential energy
A guitar string is being restrung with a string having a diameter of 1.4 mm and a length of 0.82 m when no tension is applied. If the string has a Young's modulus of 1.4 x 10^11 N/m^2 and is tightened by wrapping it three times around a peg with a 2...
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