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A 3.0 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 5.3 long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? When the sphere reaches the bottom of the ramp, what is its rotational kinetic energy? When the sphere reaches the bottom of the ramp, what is its translational kinetic energy?
A freezer is used to freeze 3.0 Lof water completely into ice. The water and the freezer remain at aconstant temperature of T = 0°C. Determine the change in the entropy of the water
A sample of helium-4 behaves as an ideal gas as it is heated at constant pressure from 292 K to 402 K. If 19 J of work is done by the gas during this process, what is the mass of helium present?
The International space station (ISS) orbits the Earth at an altitude of 350km above the surface. it takes 90min to complete one orbit around the Earth. explain why the two clocks fall out of synchronization
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
a 0.1a current is charging a capacitor that has square plates 5cm on each side. the plate separation is 4mm. find the
In a classroom demonstration, a 79.2-kg physics professor lies on a "bed of nails." what is the average pressure at each contact
A 348 g mass is hung on a spring with a spring constant of 25 N/m. Find the stretch of the spring when the mass is in equilibrium
In reaching her destination, a backpacker walks with an average velocity of 1.37 m/s, due west. This average velocity results because she hikes for 6.44 km with an average velocity of 2.54 m/s, due west, turns around, how far east did she walk
A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C, What is the rate of heat transfer through the ice
an airplane is flying at v100ms along the straight line at an altitude h5000m. at the instant when it is over an
A car comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, What is the speed of the car just before it lands safely on the other side
consider a black box which is approximately a 10-cm cube with two binding posts. each of these terminals is connected
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