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To prepare homemade ice cream a crank must be turned with a torque of 3.6 N m. Determine how much work is required to complete eight turns of the crank?
now you are playing with your bestfriends favorite toy, a ball on a string. the ball's mass is 3kg and the string is 1.1 m long. how fast can you twirl the ball (in a horizontal surface) without breaking your best friends toy
Light of wavelength 587.5 nm illuminates a slit of width 0.75 mm. Calculate the width of the central maximum
on a spacecraft two engines fire for a time of 479 s. one gives the craft an acceleration in the x direction of ax
A 89 kg man lying on a surface of negligible friction shoves a 88 g stone away from himself, giving it a speed of 3.5 m/s. What speed does the man acquire as a result
Algol consists of a 3.7 MSun main-sequence star and a 0.8 MSun subgiant. Why does this seem surprising, as a minimum at first.
An athlete runs 400m, which is exactly one loop on an Olympic stadium, making consecutive 100m distances in: 10.1, 10.3, 10.2 and 10.0s
A hollow sphere of radius 0.50 m, withrotational inertia I = 0.026 kgm2 about a line through its center of mass, How much of this initial kinetic energy is rotational
An object with total mass mtotal = 16.7 kg is sitting at rest when it explodes into three pieces. What is the magnitude of the final momentum of the system
A 10 N horizontal force F pushes a block weighing 9.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.75, What is the frictional force on the block
When the 210kg Genesis Mission capsule crashed with a speed of 311km/h, it buried itself 81.0cm deep in the desert floor. Assuming constant acceleration during the crash, at what average rate did the capsule do work on the desert?
The multiplicity for a particular system is ?= exp(N^2V^3U^1/2/?), where gamma is a constant to give correct units, V is the volume, N is the number of particles, and U is the energy. What is the system's entropy, temperature, chemical potential, pre..
In a mass spectrometer, a singly ionized 24Mg ion has a mass equal to 3.983 10-26 kg and is accelerated through a 2.60-kV potential difference. Find the radius of curvature of the ion's orbit
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