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You are standing at the very rear of a raft of length L = 6.4 m and mass M = 132 kg that is at rest in a lake with its prow only 0.50 m from the end of the pier. Your mass is m = 59 kg. Neglect frictional forces between the raft and the water. how far from the end of the pier is the center of mass of the you-raft system?
A diver of mass 68 kg stands at the end of a uniform diving board of mass 16 kg and length 4:5 m. The board is attached by two pedestals that are 1:5 m apart, as shown in the gure.
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity, What is the maximum acceleration that the plane can have without the cup sliding backward on the table
The magnetic field in an electromagnetic wave has a peak value given by B = 5.5 µT. For this wave, determine the peak electric field strength
a 100 lb cart is placed on a ramp inclined at 15degrees. a horizontal force is applied to the cart to keep it from
o skydivers are holding on to each other while falling straight down at a common terminal speed of 57.1 m/s. compute the change in kinetic energy of the system
When a falling meteor is at a distance above the Earth's surface of 2.82 times the Earth's radius, what is its free-fall acceleration caused by the gravitational force exerted on it
a proton traveling with a velocity of 2.6 times 106 ms due east experiences a magnetic force that has a maximum
A child throws a stone from the top of a 15 m cliff with a speed of 20 m/s. If the stone weights 2 N, find its kinetic energy and speed when it lands on the ground
two identical blocks are stacked one on top of the other. the bottom block is free to slide across a frictionless surface. What is the maximum horizontal force that can be applied to the lower block without the upper block slipping
An oscillating LC circuit has a current amplitude of8.50 mA, a potential amplitude of 250mV, and a capacitance of 235 nF. What is the maximum energy stored in the capacitor
A driver travels northbound on a highway at a speed of 28.0 m/s. What frequency does the driver observe as the police car approaches
A capacitor has parallel metal plates of dimensions 12 cm *24 cm seperated by an air gap of .750 mm. the plates are given opposits charges +25 uc, -25uc. find how much energy is stored in the capacitor
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