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The burner on an electric stove has a power output of 20 kW. A 810g stainless steel tea kettle is filled with 20C water and placed on the already hot burner. If it takes 3.3min for the water to reach a boil, what volume of water, in cm3, was in the kettle? Stainless steel is mostly iron, so you can assume its specific heat is that of iron.
A proton is released such that it has an initial speed of 4.0*105 m/s from left to right across thepage( i.e it is moving in positive x axis). A magneticfield of 1.2 T is present at an angle of 0° to the horizontaldirection (or positive x axis). Wh..
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the final speed of the orange disk
A nonrotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. what is the final common angular speed of the two disks
A ball swings in a vertical circle at the end of a rope 1.50 mlong attached to the ceiling. When the rope is 36.9 degrees pastthe lowest point and is on its way up, its total acceleration isgiven by (-22.5 i + 20.2 j) m/s2. At thatinstant determine t..
A 9.6-cm-diameter circular loop of wire is in a 1.10-T magnetic field. The loop is removed from the field in 0.15 s. What is the average induced emf
Suppose in the drawing that I1 = I2 = 13.6 A and that the separation between the wires is 0.0244 m. What is the magnitude of the external field
During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 115 N to the tire's rim. what force must be applied to the chain
A 500 g cart is released from rest 1.00 m from the bottom of a frictionless, 30.0 degree ramp. how far does it roll back up the ramp
Zach, whose mass is 64kg , is in an elevator descending at 10m/s. What is Zach's apparent weight while the elevator is braking
At an outdoor market, a bunch of bananas is set into oscillatory motion with amplitude of 20.0 cm on a spring by a force constant of 16.0 N/m. It is observed that the maximum speed of the bunch of bananas is 40.0 cm/s. What is the weight of the banan..
A spaceship travels at a constant speed from earth to a planet orbiting another star. When the spacecraft arrives, How far away is the planet according to observers on earth
A dragster drives a quarter mile (402 m) at a constant rate of acceleration, starting from rest and finishing the race at a final speed of 450 km/hr. what average power was developed by the engine
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