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A magnetic field is directed perpendicular to the plane of a 0.15-m× 0.30-m rectangular coil consisting of 240 loops of wire. To induce an average emf of –2.5 V in the coil, the magnetic field is increased from 0.1 T to 1.8 T during a time interval Δt. Determine Δt.
A 13 kg bucket of water of is suspended by a rope wrapped around a windlass that is a solid cylinder 0.400 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center.
A spacecraft that is initially at rest turns its engine at t=0. Ifits mass is m=3000kg and the force from the engine is 45N, what is the acceleration of the spacecraft?
Driving home from school one day you spot a ball rolling out into the street. You brake for 1.30 s, slowing your 840 kg car from 16.0 m/s to 9.50 m/s. How far did you travel while braking
What is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore.
a cue ball mass 0.160 kg is at rest on a frictionless pool table. the ball is hit dead center by a pool stick which
A vertical solid steel post of diameter d = 21.4cm and length L = 2m is required to support a load of mass m = 7650kg. What is the stress in the post
question an aircraft has a lift-off of 120kmh. a what minimum constant acceleration does the aircraft require if it is
A 13.5 micro F capacitor is connected to a power supply that keeps a constant potential difference of 26.0 V across the plates. By how much did the energy change during the insertion
a 1.50 m section of it at one end is bent 90° in the negative z direction. Illustrate what is the total magnetic flux through the surface? Choose directions for the area vectors so that the flux through each surface is positive.
A ray of light is traveling in a glass cube that is totally immersed in water. What is the refractive index of the glass
An uncharged 20 uF capacitor is connected to a power supply set to 10 V. how much more charge flows onto the plates
An green hoop with mass mh = 2.8 kg and radius Rh = 0.17 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.4 kg and radius Rd = 0.11 m. What is magnitude of the linear acceleration of the hoop
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