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An unstrained horizontal spring has a length of 0.34 m and a spring constant of 200 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.024 m relative to its unstrained length. Determine
(a) the possible algebraic signs and
(b) the magnitude of the charges.
what is the bee's speed at once afterward.
What is the change in kinetic energy of the puck
What was the bullet's flight time. A marble is thrown horizontally with a speed of 11 m/s from the top of a building. When it strikes the ground, the marble has a speed that makes an angle 38° with the horizontal. From what height above the ground..
An airplane flies due north in a region where Earth's magnetic field has magnitude 5.3×10?5T, declination 0?, and inclination 75?. What's the induced emf between the wingtips, 36 m apart, when the plane flies at 230m/s
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. (a) If the capacitor is discharged in 1.0 ms, how much charge passes through the body tissues? (b) What is the average power delivered to the tissues?
A cylindrical tank 8 m in diameter is constructed of sheet iron 1.0 mm thick. The tank contains 2.3 m of water overlying 1.2 m of mud, Calculate the maximum stress in the tank
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a highest of 90.0 cm, what was the speed of the bullet at impact with the block.
An athlete performing a long jump leaves the ground at a 34.4? angle and lands 7.65m away, What was the takeoff speed
Snowboarder Sherry of mass m is pulled up a slope at constant velocity v by a tow bar. The force of the tow bar is parallel to the slope, which is inclined at (theta) with respect to the horizontal. The coefficient of kinetic friction between the ..
What least horsepower must a motor have to be able to drag a 280 box along a level floor at a speed of 1.05 if the coefficient of friction is 0.50.
An underwater diver sees the sun 58{rm ^circ} above horizontal. How high is the sun above the horizon to a fisherman in the boat above the diver.
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