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A uniform magnetic field of 25 mT magnitude points into the page. The wire is 1.4m long and straight, but has a loop smack in the middle. The loop has a radius of 3cm. The wire is then quickly - within 50ms - pulled taut and the loop disappears. Calculate the amount of voltage induced if measured at the ends of the wire.
A 27 pound meteorite struck the car, leaving a dent 24 cm deep in the trunk. If the meteorite struck the car with a speed of 440 m/s, what was the magnitude of its deceleration, assuming it to be constant.
In the sketch, the small hydraulic piston has a diameter of 2.3cm. how many newtons of force are exerted by the large piston
A freezer has a coefficient of performance of 2.40. The freezer is to convert 1.98kg of water at 26.0 oC to 1.98kg of ice at -5.00 oC in 1 hour. How much electrical energy is consumed by the freezer during this hour
Suppose a block of mass 5 kg is resting on a horizontal surface and coefficient of static friction between block and surface is 0.2. What is the reaction on the block by the vertical wall
In which scenario do you experience the larges acceleration? Explain why using physical principles you have learned.
An 845-N sled is pulled a distance of 186m. The task requires 1.2 multiplied by 104 J of work and is done by pulling on a rope with a force of 133-N. At what angle is the rope held.
The filament of an incandescent light bulb is made of tungsten which has a thermal coefficient of resistivity of ? = 4.4 x 10-3K-1, Write an equation for the initial current, I0, that flows through the filament when it is initially turned on
A wire and a 10 ohm resistor are used to form a circuit in the shape of a square, 20cm by 20cm. What is the induced current through the resistor and its direction
At 12 breaths/min, on a dry day when the inhaled air has almost no water content, what is the body's rate of energy loss (in J/s) due to exhaled water
The great, grey-green, greasy Zambezi River flows over Victoria Falls in south central Africa. what is the velocity of the water when it hits the bottom
The work function for a metal is 3.8 eV. What is the minimum photon frequency that can just eject an electron from the metal
A 5.50 g bullet moving at 688 m/s strikes a 860 g wooden block at rest on a frictionless surface. What is the resulting speed of the block
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