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A force P pulls on a crate of mass m that is in contact with a horizontal rough surface. This force P has a magnitude of 160 N and is applied at an angle of 60° above the horizontal towards the right. In addition, there are three other forces acting on the crate. W, the weight of the crate, has a magnitude of 196 N and is directed vertically downward. f, the frictional force, has a magnitude of 80 N and is directed horizontally towards the left. FN, the normal force, is directed vertically upward. Which statement best describes the motion of the crate?
A Norwich MCE student is involved in a crucial out of class experiment. He is in his dorm room 34 feet above an historic rock wall. Describe the final result and state any assumptions that you need to make. Would the final result be any different o..
A moth at about eye level is 11 cm in front of a plane mirror; you are behind the moth, 25 cm from the mirror. What is the distance between your eyes
A 50.0 g sample of carbon taken from the femur bone of a skeleton is found to havea carbon -14 decay rate of 410 decays/min
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
An athlete swims the length L of a pool in a time t1 and makes the return trip to the starting poisition in a time t2. What is her average speed for the round trip
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
A cylindrical tank with a large diameter is filled with water to a depth D = 0.25 m. A hole of cross section A = 6.1 cm2 in the bottom of the tank allows water to drain out. What is the rate at which water flows out
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
You're taking a self portrait in the mirror using a camera. If you stand 5.7 m away from the mirror and you see your face in focus. What distance will that scale show
If a wind begins blowing from the southwest at a speed of 110km/h (average), calculate the velocity (magnitude) of the plane
A playground swing at its highest point during a child's play is 3.0 meters above the ground, Determine the torque exerted by gravity on a child on the swing when the swing is at the highest point of its motion
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