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A 3.0 kg particle with velocity v=(5.0m/s)i-(6.0m/s)j is at x=3.0mand y=8.0m. It is pulled by a 7N force in the negative x direction.About the origin, what are (a) the particle's angular momentum?
A hollow sphere of inner radius 6.2 cm and outer radius 7.2 cm floats half-submerged in a liquid of density 775 kg/m3. What is the mass of the sphere
A thin rod of length L and negligible mass can pivot about oneend to rotate in a vertical circle. A heavy ball of mass m isattached to the other end. how much work does its weight do on it
A weight of 40.0 N is suspended from aspring that has a force constant of 190 N/m. Determine the maximum value of the driving force
Two frictionless carts are pulled (horizontally to the left) by a force of F1=24N. m1=2.0kg and m2=4.0kg, find the tension in the connecting cord
a railroad flatcar is loaded with crates having a coefficient of static friction of 0.360 with the floor. if the train
a hotel elevator ascends 200 m with a maximum speed of 5.2 ms. its acceleration and deceleration both have a magnitude
Calculate the angular velocity of a clock's second hand. State in rad/s. and Calculate the angular velocity of a clock's minute hand
A fountain sends a stream of water straight up into the air to a maximum height of 4.22 m. determine how many gallons per minute are being used by the fountain
Two cars are on the highway and moving at speeds of v1 = 14.5m/s and v2 = 70.2m/s. What is the frequency of the second car's engine
The nucleus 60Co decays by the emission of an electron ( B 2). (Energetic gamma rays also accompany this decay and are used for the treatment of cancer.) What is the resulting nucleus
At the very bottom of the circle, a too sharp knife is suddenly inserted to cut the string directly below the point of support. How far to the right of where the string was cut does the ball hit the floor.
A performer, seated on a trapeze, is swinging back and forth with aperiod of 9.50 s. what will be the new period of the trapeze
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