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A 41.0 Omega resistor and a 93.9 Omega resistor are connected in parallel, and the combination is connected across a 120 V dc line. What is the resistance of the parallel combination? What is the total current through the parallel combination? What is the current through the 41.0 Omega resistor? What is the current through the 93.9 Omega resistor?
A golf ball of mass 0.045 kg is hit off the tee at a speed of 32m/s . The golf club was in contact with the ball for 3.10×10?3s. Find the impulse imparted to the golf ball
if the current through a loop radius 50 cm is 2A, what is the magnetic field produced by the loop wire
Due to a tune-up, the efficiency of an automobile engine increases by 3.50 %. For an input heat of 1260 J, how much more work does the engine produce
determine the force P needed to support the 100-lb weight. Each pulley has a weight of 10 lb. Also, what are the cord reactions at A and B
An 87.6-mH inductor anda 6.37-µF capacitor areconnected in series with a generator whose frequencyis 391 Hz. The rms voltage across the capacitor is 2.26V. Determine the rms voltage across the inductor.
A tennis ball of mass m=0.057kg and speed v=24 m/s strikes a wall at a 45 degrees angle and rebounds with the same speed at 45 degrees. What is the direction of the impulse given to the ball
A wheel has angular acceleration of 3.5 rad/s2 and an inertiaof 11.5 kg per m2. what must be the net torque that is acting on the wheel
The function y(x, t) = (25.0 cm) cos(?x - 20?t), with x in meters and t in seconds, describes a wave on a taut string. What is the transverse speed for a point on the string at an instant when that point has the displacement y = +22.0 cm?
You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. obtain with what speed do you and the ball move afterwards
Pure silicon is used as a photon detector. An incoming photon canstrike the surface and excite electrons from the valence band tothe conduction band, where they can be counted.
A solid marble, a solid disk and a hoop have the same mass (M = 0.9 kg) and the same radius. Each object is held at rest at the same height and then released. what is the force the track exerts on the hoop
The potter can stop the wheel in 7.0 s by pressing a wet rag against the rim and exerting a radially inward force of 68 N. Find out the effective coefficient of kinetic friction between the wheel and the wet rag.
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