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Solve the following problem given below:
Problem: A grinding wheel in the shape of a solid disk is 0.280m in diameter and has a mass of 2.50 kg. The wheel is rotating at 2500rpm about an axis through its center
Part I: What is its kinetic energy?
Part II: How far would it have to drop in free fall to acquire the same amount of kinetic energy?
Please show work I think I have the solution just not positive.
A net force of 7 newtons acts on an object that weighs 49 newtons. What is the resulting acceleration
An automobile crankshaft transfers energy from the engine to the axle at the rate of 110 kW when rotating at a speed of 2170 rev/min. What torque does the crankshaft deliver
A 3.5 cm x 1.6 cm x 7.1 cm block floats in water with its long axis vertical. The length of the block above water is 1.7 centimeter. Determine what is the block mass density
if only electric forces are important conservation of mechanical energy tells us kinit uinit kfinal ufinal. in
you are leaking one liter of methyl alcohol methanol every 3 hours. at the start of the day you have a concentration of
An electric vehicle starts from rest and accelerates at a rate of2.2 m/s2 in a straight lineuntil it reaches a speed of 14 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 untilit stops. How much time elapses from start to stop?
consider a circuit consisting of a battery of voltage v and a parallel plate capacitor of capacitance of c0. if a
Two slits are separated by .1 mm. Planar light incident on them produces a diffraction pattern on a board 1.35 m away, estimate the wavelength of light
Mandy is walking at a speed of 1.37 m/s directly toward one siren and directly away from another siren when they both begin to sound with a frequency of 650 Hz
Upon and following the introduction of Coulomb's law, my book keeps referencing to the electric force experienced between two point particles as just that--between two point particles. Does mass affect Coulombs law in any way?
A 0.360 kg pendulum bob passes throughthe lowest part of its path at a speed of 3.80 m/s. What is the tension in the pendulum cable when the pendulumreaches its highest point
The area of a 140 turn coil oriented with its plane perpendicular to a 0.19T magnetic field is 4.9 ×102 m2. Find the average induced emf in this coil
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