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At one instant, force =5.82 N acts on a 0.973 kg object that has position vector = (3.04-3.04) m and velocity vector =(-9.02 +9.02)m/s. About the origin and in unit-vector notation, what are (a) the object's angular momentum and (b) the torque acting on the object?
A bicycle wheel, of radius 0.31 m and mass 3.0 kg (concentrated on the rim) is rotating at 4.20 rev/s. After 42 s the wheel comes to a stop as of friction. What is the magnitude of the average torque due to frictional forces?
The Yaver-Bomber flies purely horizontally and constantly at 200 m/s relative to the ground. It does so an altitude of 1000 meters. How far away from the fig tree does the near the balloon land
A 73.0-μF capacitor is connected to a generator operating at alow frequency. The rms voltage of the generator is 3.00 V and isconstant. A fuse in series with the capacitor has negligibleresistance and will burn out when the rms current reaches 17...
Calculate the volume charge density of the atmosphere
For a record playing at 78 rpm, find the frequency and the angular velocity. Find the Frequency and angular velocity
an object with a mass of 10.0 kg is at rest at the top of a frictionless inclined plane of height 8.00 m and an angle
you are designing a delivery ramp for crates containing exercise equipment. the crates of weight 1480 n will move with
A wheel starts from rest and rotates about its axis with constant angular acceleration. What is the angular acceleration of the wheel
an ammonia molecule nh3 has a permanent electric dipole moment 5.0 10-30 cm. a proton is 1.8nm from the molecule in
In a series R-L-C circuit, L=0.200 H, C=80.0 microfarads, and the voltage amplitude of the source is 240 V. What is the resonance angular frequency of the circuit
A 450 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m, What is its average power output in watts and horsepower if this takes 7.30 s
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 6 excited state. What are the photon wavelengths of transitions
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