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A transformer is designed to step down the 206 volts to 16 volts. If there are 418 turns on the input coil, find how many turns should there be on the output coil
An electric toaster operating on 110.8 volts draws a current of 5 amperes. What is the resistance of the toaster
A hydraulic jack is made with a small piston 1.2 cm in diameter that is used to move a large piston 5.2 cm in diameter. how heavy a load can he lift with the jack
what is the available energy content, in joules, of a battery that opperates a 2.00 w electric clock for 18 months
An FM radio station broadcasts an oscillating radio wave, What is the frequency of the oscillations in the radio transmitter
Suppose you walk into a sauna that has an ambient temperature of 50.0 C. Calculate the rate of heat transfer to you by radiation given your skin temperature is 37.0 C
A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m-high rise as shown in Figure 8. Find her final speed at the top
A camera has a lens with a focal length of 26.8 cm. how far from the film should the lens be placed
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. How large a volume of nitrogen (in m3) is required
A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. An observer waiting at the crossing receives a frequency of 208 Hz. What is the speed of the train
A block is moved down an incline a distance of 5.0m from point A to point B by a force F that is parallel to the incline and has a a magnitude of 2.0 N
A 2.6kg block slides along a frictionless surface at 1.9m/s . A second block, sliding at a faster 5.0m/s , collides with the first from behind, What was the mass of the second block
Matthew pulls his little sister Sarah in a sled on an icy surface (no friction) with a force of 60 N at an angle of 600 upward from the horizontal
A proton is moving with an initial velocity of 6.28 x 10^5 m/s straight towards a large conducting sphere of radius 85.2 cm. What is the voltage on the surface of the sphere
A series RLC circuit has a resistance of 24 %u03A9 and an impedance of 100 %u03A9. what average power is delivered to the circuit
There is a straight plastic rod that is parallel to the y axis with length L and total charge Q.Point P is placed on the x axis half way down the rod
A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. find the average resistance force that sand exerts on the ball
A thin spherical shell of mass 0.25 kg and radius 0.15 m is released from rest from the top of a 3.0-m high ramp. What would the linear speed be at the bottom
An object of mass m = 0.33 kg sits on a frictionless surface and is attached to the end of a spring with spring constant k = 2.5 N/m. What is the frequency of oscillation
Two resistors of wattage 100 W each is connected in series with a source. Find the total watage of load connected in circuit
A Ferris wheel has a radius of 5.0 m and makes one revolution in 8.0 seconds. A person weighing 670 N is sitting on one of the benches attached at the rim of the wheel. what is the apparent weight o
Given a sphere of charge inside a conductor. The sphere has a radius of 5cm. Find the charge on the outisde of the conductor
Just as you had done in your lab, imagine that you have a solid uniform disk (same as a uniform cylinder) with a string wound around its rim. What is the angular acceleration of the disk
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted
Carbon disulfide (CS2) has a vapor pressure of 300 Torr at room temperature, estimate the average time between collisions that the gas is experiencing inside the test chamber