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Suppose now that you are at rest relative to the raft standing at the rear end except this time the raft is in the middle of the lake moving at a speed of 4.0 m/s. You now start walking (in the direction the raft's motion) to the front of the raft at a speed of 2.0 m/s relative to the raft. While you are walking, what are your speed and the raft's speed relative to a stationary observer?
Find the maximun angle of a slope on which a parked car would not be able to slide down. use the static coefficient of rubber on concrete(1.0)
Four masses M in deep space are connected by four identical light springs with spring constant k and equilibrium length L. What is the kinetic energy of this system
Find out the final speeds of the two objects. What is the angle at which the object with mass 3m is scattered?
At a certain instant a particle (mass=0.5 kg) is moving in the +x direction with velocity 14 m/s. What is the magnitude of the momentum of the particle (in kg*m/s) at the end of this 0.15 second interval
What is speed of the wind what is coefficient of static friction
67.34 J of heat are removed from a gas sample while it is being compressed by a piston that does 62.39 J of work
A bird watcher meanders through the woods, walking 1.35 km due east, 1.81 km due south, Determine the magnitudes of the bird watchers displacement
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
A rotating uniform cylindrical platform of mass 250kg and radius 5.9m slows down from 4.0rev/s to rest in 17 s when the driving motor is disconnected. Estimate the power output of the motor
A wheel rotates about a horizontal axis. It has an outer radius R1 = 18.8 cm and mass M1 = 5.12 kg. What is the acceleration of the hanging weight after it is released
A solenoid of length 5.0 cm and diameter 0.87 cm is wound with 162 turns per cm. The current is decreasing at a rate of 38.0 A/s. What is the induced emf in the entire solenoid
The height of a helicopter above the ground is given by h = 3.00 t3, where h is in meters and t is in seconds. After 2s, the helicopter releases a small mailbag. How long after its release does the mailbag reach the ground.
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