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Another bicycle, also with 0.3m radius wheels, is moving such that the angular speed of each wheel is 75 rad/s. If the bicyclist then applies the brakes and the wheels slow with a constant angular acceleration of -15 rad/s^2, how many revolutions will each wheel make before the bike stops?
Two parallel wires of length 17 m are separated by a distance of a = 0.13 cm, What is the magnetic force on each wire
A neutron at rest decays in to a proton and an electron. how much kinetic energy (in MeV) are shared by the electron and proton? can a proton decay into a neutron and a positron?
Oppositely charged parallel plates are separated by 5.26 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field strength between the plates?
Through a time interval of exactly one period of vibration of a tuning fork, the emitted sound travels a distance: Equal to the length of the tuning fork, Equal to twice the length of the tuning fork
A child, whose weight is 150 N, lifts a pumpkin from the ground with a force of 50 N. The force the pumpkin exerts on the child is: A car rounds a curve while maintaining constant speed. A brick slides across a horizontal rough surface and eventually..
An ideal gas has its pressure cut in half slowly, while being kept in a container with rigid walls. What was the change in internal energy of the gas during this process
An electromagnetic wave strikes a 1.47-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is 8.35 x 10-4 T. How long does it take for the wave to deliver 1110 J of energy to the wall?
Assume a satellite is in a circular orbit 3.0 Earth radii above the surface of the Earth (4 Earth radii from the center of the Earth). Compute by how much does it have to increase its speed
The electric potential at a position located a distance of 21.3 mm from a positive point charge of 7.90×10-9C and 14.8 mm from a second point charge is 1.18 kV. Compute the value of the second charge.
A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..
Two boxes, m1 = 1.0 kg with a coefficient of kinetic friction of 0.10, and m2 = 2.0kg with a coefficient of 0.20, are placed on a plane inclined at 0 = 30o.
A H2 molecule can be approximated by a simple harmonic oscillator having spring constant k= 1.1 x 1033 N/m. Find the energy levels
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