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A raft of mass M with a man of mass m aboard stays motionless on the surface of a lake. The man moves a distance L relative to the raft with a velocity v and the stops. Assuming the water resistance is negligible,
a) Determine the displacement of the raft relative to the shore?
b) Determine the horizontal component of the average force with which the man acted on the raft during the motion.
Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other
74 L of an ideal monatomic gas is at an absolute pressure of 3 atm when the temperature is 25 C. How many moles of gas are there
you throw the 5-kg ball from theheight of 5m with a speed of 10m/s, at an angle of 30 degress with respect to the horizontal, find the total speed of the ball when it hits the ground
A 650-kg car stopped at an intersection is rear-ended by a 1720-kg truck moving with a speed of 22 m/s. find the final speed of both vehicles after the collision
A uniform cylindrical turntable of radius 1.80 m and mass 25.2 kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4pi rad/s. Find the final angular speed of the clay and turntable
A uniform disk with a mass of 2kg and a radius of 0.15m is rotatingwith a angular speed of 12 rad/s about an axis through its center perpendicular to the plane of the disk (I=(1/2)mr2)
A 1.5kg ball and a 3.0kg ball are connected by a 3.0m long rigid, massless rod. What torque will bring the balls to a halt
a mass m is released from rest at a height 4r and then travels along a frictionless track through a circular loop. the
The rotational spectrum of the HCl molecule contains lines with wavelengths of 0.0604, 0.0690 ,0.0804 ,0.0964 , and 0.1204 mm. What is the moment of inertia of the molecule
find the radius r of the orbit of a geosynchronous satellite that circles the earth. note that r is measured from the
Find the power delivered by the good battery, and discuss where this power goes, assuming that the emf's and resistances of each battery remain the same throughout the process
A 2.50 ml syringe with an inner diameter of 5.00 mm, a needle innerdiameter of 0.210 mm, What's the minimum force required to press down on the pad
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