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A car with a mass of 1600 kg is initially traveling at 72 m/s. The care needs to stop on a circle with a daimater of 1.5 meters. Find the energy required to stop the car.
A stunt man whose mass is 70 kg swings from the end of a 3.10 m long rope along the arc of a vertical circle. Assume that he starts from rest when the rope is horizontal; find the tensions in the rope that are necessary to make him follow his circ..
A puck slides across a smooth, level tabletop at height H at a constant speed vo. It slides off the edge of the table and hits the floor a distance x away as shown in the figure. What is the algebraic relationship between the distances x and H?
In a head on collision, a car stops in .10 seconds from a speed of 14 meters per second. The driver has a mass of 70 kg, and is, fortunately, tightly strapped into his seat. What force is applied to driver by his seat belt during that fraction of ..
Four identical point charges (+3.17nC) are placed at the corners of a rectangle, what is the potential at the geometric center of this rectangle
A 700 N window washer is standing on a uniform scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3 m long. what is the force in each rope when washer stands 1 m from one end.
Two long, parallel wires are separated by a distance of 2.1 cm. What is the current in the second wire? Express the answer with two decimal places
For 140 keV gamma rays, the mass attenuation coefficients for hydrogen and oxygen are 0.26 and 0.14 cm^2/g, respectively. What is the mean free path in water at this energy
A barge on a still lake is moving toward a bridge at 10.0 m/s. When the bridge is 41.0 m away, the pilot slows the boat with a constant acceleration of -0.88 m/s2, Find the final velocity for each time using v = v0 + at
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
A 20.0 kg wood ball hangs from a 1.3 m long wire. The maximum tension the wire can withstand without breaking is 300 N. A 0.70 kg projectile travelling horizontally hits and embeds itself in the wood ball.
Two resistors connected in series have an equivalent resistance of 569.5 Ohms. When they are connected in parallel, Find the resistance of each resistor
The surface charge density on an infinite charged plane is -1.5*10^-6 N/m^2, How far does the proton travel before reaching its turning point
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