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Question: A clothes dryer uses 5379 W of power when connected to a 220-V ac line.
Question 1: How much current does the dryer draw from the line?
I want help to determine how much current does the dryer draw from the line.
A small block of mass m1 = 0.5kg slides to the left, with a velocity of v1 = -8.40 m/s, towards a curved wedge of mass m2 = 3 kg which sits on an icy, frictionless lake surface.
a police car parked by the side of a straight road is passed by a speeding car going at a constant speed of 30 ms.
a 0.06m 3 rigid tank initially contains water at 1.5 mpa with a quality of 20. the tank is heated and a pressure
find the mass of Earth from the period T and the radius r of the Moon's orbit about the Earth. T=27.3 days and r=3.82E5 km. suppose the Moon orbits the center of Earth rather than the center of mass of the Earth-Moon system.
A transformer with a turns ratio (secondary/primary) of 1:15 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit.
The drive shaft AB of an automobile is to be designed as a thin-walled tube. The engine delivers 125 kW when the shaft is turning at 1500 rev/min. Determine the minimum thickness of the shaft's wall
A thin film of acetone (n = 1.25) coats a thick glass plate (n = 1.58). White light is incident normal to the film. Estimate the thickness of the acetone film
A bomb mass 7.2 kg goes off and splits into 3 pieces. The first piece has a mass of 1.1 kg and velocity of 9.5 m/s. What is the magnitude and direction of the velocity of the third piece
A small ball with a mass of 55.0 g is loaded into a spring gun, compressing the spring by 15.0 cm. When the trigger is pressed, the ball emerges horizontally from the barrel at a height of 1.70 m above the floor.
If a force of 10 N is needed to open an 100 cm wide door when applied at the edge opposite the hinges, what force must be applied to open the door if you push against the door 14 cm from the hinged side?
A spacecraft is in a circular orbit about the moon, 1.86 x105 m above its surface. The speed of the spacecraft is1460 m/s, and the radius of the moon is 1.74 x 106 m. If the moon were a smooth, reflective surface, what would be the apparent speed of ..
q1. a 2.47 kg steel ball strikes a massive wall at 11.7 ms at an angle of alpha 67.2deg with the plane of the wall. it
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