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In an amusement park ride, cars are suspended from L = 4.29 m cables attached to rotating arms at a distance of D = 6.11 m from the axis of rotation. The cables swing out at an angle of ? = 52° when the ride is operating. What is the angular speed of rotation?
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action.
A ball of mass 4.9 g with a speed of 22.5 m/s strikes a wall at an angle 29.0o and then rebounds with the same speed and angle. compute the average force exerted by the ball on the wall
A monatomic ideal gas expands slowly to twice its original volume doing 310 J of work in the process, Find the change in internal energy if process isobaric
A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, Determine the cheetah's average acceleration during the short sprint
q1. what are the average velocity and acceleration of the tip of an hour hand of a clock in the interval of noon to
A toboggan approaches a snowy hill moving at 10.9 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.470 and 0.320, Find the acceleration of the toboggan as it is going up the hill
A home owner who lives beside a 60 Hz power line decides to harvest some energy from the oscillating field. How should they orient the coil for maximum output
An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.988c. What is the proper distance traveled
A diffraction grating with 220 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle will the second order peak occur
An electron is brought to a point 0.1 m from the center of the sphere. What is the force acting on the electron (magnitude and direction) ? What is the electric field (magnitude and direction ) at the point where the electron is located
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