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A person is making homemade ice cream. She exerts a force of magnitude 16 N on the free end of the crank handle, and this end moves in a circular path of radius 0.27 m. The force is always applied parallel to the motion of the handle. If the handle is turned once every 1.3 s, what is the average power being expended?
he first person is initially moving forward with a speed of 2.50 m/s, and the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and ..
a boat with a horizontal tow rope pulls a water skier. She skis off to side, so the rope makes an angle of 15.0 degrees with her direction of motion, How much work is done on the skier by the rope
1 what is the lens equation? what do o i and f stand for in the equation?2 what are the five parts of the optical bench
A proton is accelerated from rest through a potential difference of 450MV. Find the proton's rest energy
Explain the characteristics of supersonic motion and the formation of shock waves. Explain the formation of beats by the superposition of sounds of two closely spaced frequencies
The closest star to our solar system is Alpha Centauri, which is4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earthtravels toward the star. How much time would elapse on a clock on board the spaceship?
A hypothetical neutral atom has 93 electrons and a nucleus of mass m = 2.23e-25 kg. Calculate the speed of orbit of this electron
A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axel through the center of the disk. the platform has a mass of 150 kg a radius of 2m and a rotational inertia of 30 kgm about the axis of ..
A 30 N block is pulled along a horizontal surface by a 10 N force parallel to the surface. evaluate the coeffient of kinetic friction
A 2.00-m-long rope has a mass of 0.100 kg, What is the frequency of the oscillator if the power transmitted is 120 W
X rays with a wavelength of 0.14nm undergo first-order diffraction from a crystal at a 73 degree angle of incidence. What is the angle of second-order diffraction
A solar collector is placed in direct sunlight where it absorbs energy at the rate of 903 J/s for each square meter of its surface. What equilibrium temperature does the collector reach
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