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Your toaster has a power cord with a resistance of 0.022 connected in series with a 9.4-nichrome heating element. The potential dissimilarity between the terminals of the toaster is 120 V.
1. How much power is dissipated in the power cord?
______W
2. How much power is dissipated in the heating element?
_____ kW
A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 3.60cm2, If this lift is designed to raise a 3300-kg car, what minimum force must be applied to the small piston
What is the minimum thickness of the film. what is the magnitude of the average acceleration of the ball through out this time interval.
A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, What difference in the results was found
A 19.3-g mass of gold in the form of a cube is 1 cm long on each side ( somewhat smaller than a sugar cube). What would be the length of the side of a cube having twice this mass of gold?
A person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 3.1 m and moment of inertia 1400 kg·m2. The platform rotates without friction with angular velocity 2.0 rad/s. The person walks radically to the edge of the p..
Estimate the air pressure at the cloud base from the problem 1 assuming isothermal atmosphere with the average temperature between the cloud base and the surface
A wheel 1.50 m in diameter lies in a vertical plane and rotates with a constant angular acceleration of 4.30 rad/s2. find the tangential speed and the total acceleration of the point P
A 60 g ball is tied to the end of a 50 cm --long string and swung in a vertical circle. how far to the right does the ball hit the ground
A wheel with c=4/9, a mass of 43.8kg, and a rim radius of 31.1cm is mounted vertically on a horizontal axis. Find the angular acceleration of the wheel
A magnet falls through a loop of wire with the South Pole entering first. As the South Pole approaches the loop, find what is the direction of the induced current in the loop
What is an angular speed of the small cylinders, which is between two inner and outer cylinders
A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 5.3 x 1011 m/s2 in a machine. If the proton has an initial speed of 7.5 x 105 m/s and travels 2.5 cm, what then is (a) its speed and (b) the increase in its kinetic ene..
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