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A hollow sphere of radius 0.50 m, with rotational inertia I = 0.038 kg m2 about a linethrough its center of mass, rolls without slipping up a surfaceinclined at 40° to the horizontal. Ata certain initial position, the sphere's total kinetic energy is60 J.
a) How much of this initial kinetic energy is rotational?b) What is the speed of the center of mass of the sphere at the initial position?Now, the sphere moves 1.0 m up the incline from its initialposition.c) What is its total kinetic energy now?d) What is the speed of its center of mass now?
A string of length 10.0m has a linear mass density of 25g/m. What is the speed of the pulse as it approaches the top of the string
Assume this asteroid has the shape of a sphere. A rock sitting on the surface of the asteroid has a weight of 100 Newtons. How is the mass of the rock affected by its change in position
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 9.20 cm. how long does it take a ripple passing the cork to reach the shore
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. How many seconds will he win or lose by
At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr. What is the mole fraction of hexane in the vapour that is in equilibrium with this solution
A 0.20 kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m. The block is initially displaced 4 cm from the equilibrium point and then released to set up a simple harmonic mo..
A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 41.0 km/hr (11.4 m/s), Calculate the acceleration of the car at that time
The top of the hill is horizontal and 70 m higher than its base. What minimum speed must the block have at the base of the hill in order for it to pass over the pit at the far side of the hill
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
a point charge has a charge of 2.50times10?11c .part aat what distance from the point charge is the electric potential
a simple harmonic oscillator consists of a block of mass 3.00kgattached to a spring of spring constant 370 N/m. what is the amplitude of the oscillations
Two spacecraft carrying identical pendulum gravity meters have landed on Mars, one at the equator and one at the North pole. Over a fixed period of time the pendulum at the equator is observed to oscillate 250 times compared with 251 times at the ..
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