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A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.9cm and accelerates at the rate of 7.9rad/s^2 , and it is in contact with the pottery wheel (radius 24.0cm ) without slipping. Calculate the angular acceleration of the pottery wheel. Calculate the time it takes the pottery wheel to reach its required speed of 68rpm.
23g of copper pellets are removed from a 300?C oven and immediately dropped into 70mL of water at 23?C in an insulated cup
A 61 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11m , and falls a total of 32 m. Calculate the maximum acceleration she experiences
a box of textbooks at an unknown mass is set in motion with the intial speed of 0.5 m/s on a loading ramp that makes and angle of 16 degrees with the horizontal. find the normal force on the box
you are standing on a platform and you throw a 5kg ball with a speed of 10 m/s at an angle of 30 degrees with respect to the horizontal. find the horizontal distance the bal travels before it hits the ground
A ball of 1.0 kg mass is tied to the end of a 1m string spinning at a speed of 7 m/s. What angle with the vertical axis does the string make
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
The upward normal force exerted by the floor is 700 on an elevator passenger who weighs 720. What is the reaction force to weight of the passenger
A beam of hydrogen molecules, H2, is directed toward a wall, at an angle of 60° with the normal to the wall. What is the beam's pressure on the wall
q1. a 78.9 kg man steps off a platform 4.57 m above the ground. he keeps his legs straight as he falls but at the
A rotating wheel requires 6.00 s to rotate 30.0 revolutions, What is the constant angular acceleration (in rad/s) of the wheel
A weather vane initially at rest has a moment of inertia of 0.103 kg · m2 about its axis of rotation, Find the angular velocity of the weather vane just after it is struck
The reserve capacity (RC) of a car battery is defined as the number of minutes the battery can provide 25.0A of current at a potential difference of 10.5V.
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