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A 2.0 solid sphere (radius = 0.20 ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.50 high and 6.0 long. A. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? B. When the sphere reaches the bottom of the ramp, what is its rotational kinetic energy? C. When the sphere reaches the bottom of the ramp, what is its translational kinetic energy?
A paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed, insulated container. The paddle wheel is driven by a cord connected to a falling object as shown in the drawing. In this experiment, a 5.0-kg object falls throu..
An electric heater carries a current of 16.5 A when operating at a voltage of 1.50 102 V. What is the resistance of the heater
An archer's bow is drawn at its midpoint until the tension in the string is 1.07 times the force exerted by the archer. What is the angle between the two halves of the string
A person of mass 75kg stands at the center of a rotating merry-go-round platform of radius 3.5mand moment of inertia 920kg?m2. compute the angular velocity when the person reaches the edge
A flywheel with a radius of 0.300m starts from rest and accelerates with a constant angular acceleration of 0.600rad/s2. Compute the magnitude of the tangential acceleration
A bullet is fired through a board, 18.0 cm thick, with its line of motion perpendicular to the face of the board. find the bullet's acceleration as it passes through the board
A research balloon bound for the stratosphere is filled at sea level with 800 m3 of helium whose initial temperature is 285 K. What is the temperature of the helium
A circular coil with one turn is in a perpendicular (time dependent) magnetic field given by B = 1.400 - 0.0500 t Tesla, where time t is in seconds. Calculate the radius of the coil
A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 124 m. Explain how fast is she going when she reaches the bottom?
A 80-kg driver can decrease his rotation rate in a flip from an initial rate of 3.0rev/s to a final rate of 1 rev in 2 sec by straightening his body. find his final moment of inertia, then find his initial moment of inertia
Two masses are connected as in the figure, where ?=40.0°, m1=13 kg and the coefficient of kinetic friction between the m2=7 kg object and the plane is ?k=0.25. Find the acceleration reached by the objects
Three capacitors are connected in parallel. Each has plate area A = 1.00×10-2 m2 and plate spacing d = 9.00×10-4 m. What must be the spacing of a single capacitor of plate area A if its capacitance equals that of the parallel combination?
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