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A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity v in the negative x direction, and a second piece, also of mass m, moves with the same velocity in the negative y direction. The third piece has mass 3m. Just after the explosion,
(a) what is the magnitude of the velocity of the third piece in terms of the given variables?
(b) What is the direction of its motion (as an angle relative to the positive x axis)?
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
Point charges q1=+2.00?C and q2=?2.00?C are placed at adjacent corners of a square for which the length of each side is 4.50cm, What is the electric potential at point b
Starting from rest, a 4.30-kg block slides 2.00 m down a rough 30.0° incline. Determine the work done by the force of gravity
A ball swings in a vertical circle at the end of a rope 1.50 mlong. When the ball is 36.9° past the lowest point on its wayup, determine the speed and velocity of the ball
A man of mass 76.5kg walks down the aisle of an airplane at a speed of 1.10 m/s in the forward direction while the plane moves at a speed of 280 m/s relative to the earth
A uniform disk of radius 0.463 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
Object A is acted on by only object B. The mass of object A is 20.0 kg and its acceleration is 4.00 m/s2 west. Object B is acted on by two forces, the force of object A on object B and another unknown force.
The current through a 1.5 H inductor changes from zero to 1mA in 5 us. How much is the absolute value of self-induced voltage
A compact car has a mass of 1170kg. What will be the car's oscillation frequency while carrying four 84.0kg passengers
The neutral hydrogen atom in its normal state behaves in some respects like an electric charge distribution which consists of a point charge of magnitude +e surrounded by a distribution of negative charge
You are designing the section of a roller coaster ride shown in the figure. Previous sections of the ride give the train a speed of 12.5 m/s at the top of the incline, which is 38.3 m above the ground. What is the minimum radius you can use for the..
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. what is the mass of the lead block
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