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You need a transformer that will draw 16 W of power from a 220 V (rms) power line, stepping the voltage down to 12 V (rms)1. What will be the current in the secondary coil? Express your answer to two significant figures and include the appropriate units.2. What should be the resistance of the secondary circuit? Express your answer to two significant figures and include the appropriate units.3. What will be the equivalent resistance of the input circuit? Express your answer to two significant figures and include the appropriate units.
A 4.77-kg ball of clay is thrown downward from a height of 3.31 m with a speed of 4.81 m/s onto a spring with k = 1690 N/m. Find the maximum compression of the spring
When they release their arms, Al moves off in one direction at a speed of 0.689 m/s, while Jo moves off in the opposite direction at a speed of 1.10 m/s. Assuming that friction is negligible, find out Al's mas
A segment of wire carries a current of 25 A along the x axis from x = -2.0 m to x = 0 and then along the z axis from z = 0 to z = 3.0m. What is the magnitude of the force on this segment of wire
A solid Cylinder with a mass of 10 kg is attached to an inclined plane.A 2kg block is attached to a string that is wrapped around the cylinder. Find the angular acceleration of the cylinder
A mass ball is attached to the spring and allowed to come to rest. It is then pulled down y and released. Illustrate what is the time constant if the ball's amplitude has decreased to y1 after oscillations?
A student is trying to push a desk of mass m = 95kg and horizontal width w = 0.8m along the floor. What is the minimum force necessary to move the desk
Water (density = 1 x 10^3 kg/m^3) flows at 15 m/s through a pipe with radius 0.040 m. find the speed of the water flow in the pipe on the second floor
An ice chest at a beach party contains 12 cans of soda at 4.93 °C. Each can of soda has a mass of 0.35 kg, determine the final temperature T of the soda and watermelon in degrees Celsius
A group of charges is found in space. At a distance of 100 cm from the group of charges, the total electric flux through a Gaussian sphere is found to be 517 N·m2/C. What is the potential along the Gaussian sphere
On a day of 30 degrees celcius, full sun, how hot would a granite paver get? Will a dark grey one get much hotter than an off white coloured one.
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1100 kg, which is required to travel upward 49 m in 3.9 min, starting and ending at rest. The elevator's counterweight has a mass of only 830 kg, so the elevator motor must h..
A knife thrower throws a knife toward a 300-g target that is sliding in her direction at a speed of 2.50 m/s on a horizontal frictionless surface. find the speed of the knife after passing through the target
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