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A rotating wheel requires a time t = 4.32s to rotate 37.0 revolutions. What is the constant angular acceleration (rad/s2 of the wheel
An electric scooter has a battery capable of supplying 150 Wh of energy. what altitude change can a rider achieve when driving in hilly terrain
Suppose you need to rotate the plane of polarization of a plane-polarized beam of light by 90 degrees and produce only a 10% loss in intensity, Find the angle between the successive polarizers
One morning in New York City at 9:AM, Larry looks south and sees the moon is due south. Suppose Curly were to look at the Earth again 7 days later. What would the apparent shape of the Earth be
a snowboarder moves along a horizontal ramp before going off of the edge of the ramp. 1.8s after leaving the ramp, find the snowboarders speed at the moment she leaves the ramp
An automobile tire has a radius of 0.335 m, and its center moves forward with a linear speed of v = 16.1 m/s. Determine the angular speed of the wheel
The planet Neptune orbits our Sun at an average distance of 4.50 * 10^9 km.It's mass is 1.02 8 10^26 kg. The Sun's mass is 1.99 * 10^30 kg. What is the strength of the gravitational field at the "sur
An air-filled toroidal solenoid has a mean radius of 15.0 and a cross-sectional area of 5.02, What is the least number of turns that the winding must have
The induced electric field 15 from the axis of a solenoid with a 10 radius is 46. Find the rate of change of the solenoid's magnetic field
A 580-turn solenoid is 30 long and 1.9 in diameter and carries 67. How much magnetic energy does it contain
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
On a banked race track, the smallest circular path on which cars can move has a radius of 120 m, while the largest has a radius 155 m, Find the smallest speed at which cars can move on this track wit
What is a unique characteristic of water between 0 and 4 degrees celcius - Need a question pertaining to heat and temperature dealing of course in physics.
A charged particle is injected at 153 m/s into a 0.0623-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
what is the primary microscopic origin of the magnetic field of a magnetized piece of iron, Each atomic nucleus produces a magnetic field.
A two-turn circular wire coil of radius 0.430 m lies in a plane perpendicular to a uniform magnetic field of magnitude 0.500 T. what is the average induced emf in the wire during this time
A projectile is shot with initial velocity 20.0 m/s at launch angle ? = 60.0? up from horizontal. How far from the gun does the other fragment land
Glider A with mass 0.400 kg, gliding with a velocity of magnitude 0.50 m/s on a frictionless, horizontal air track, makes a perfectly elastic head-on collision with a glider B with mass, Find the ma
A 20.0 gram bullet is shot horizontally into a 2.00 kg block and quickly becomes imbedded in the block. How much energy is dissipated in the block during the impact
n a circuit, a current of 4A is drawn from a battery. The current then divides, What is the value of the other resistor
Cliff and Will are carrying a uniform 2.0m board of mass 74kg. Will is supporting the board at the end while cliff is 0.6m from the other end, Find the normal forces exerted by Cliff and Will
A child with a mass of 55 kg is riding on a merry-go-round. If the child has a speed of 3 m/s, what is the child's angular momentum
Two balls of putty, each mass m, move in opposite directions toward each other with speeds of 0.95. What is the mass of this ball of putty