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A 2.7 kg object oscillates with simple harmonic motion on a spring of force constant 510.0 N/m. The maximum speed is 0.9 m/s. What is the total energy of the object and the spring?
A charged particle with a charge-to-mass ratio of |q|/m = 5.7 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.75 T
Two kilomoles of a monatomic ideal gas are at a temp of 300K. The gas expands reversibly and isothermally twice its original volume. Calculate the work done by the gas. (Note that for an ideal gas U is proportional to T, so the change of U = 0 in ..
Two sinusoidal waves of the same period, with amplitudes of 4.0 and 6.0 mm, travel in the same direction along a stretched string; they produce a resultant wave with an amplitude of 9.225 mm. The phase constant of the 4.0 mm wave is 0. What is the..
Four identical masses of 2.7 kg each are located at the corners of a square with 1.5 m sides. What is the net force on any one of the masses
Huygens' principle (first described by the Dutch scientist Christiaan Huygens in 1678) uses geometry to determine the shape of a wavefront at a time.
Find the change in length of the bridge for an increase in temperature of 10 degree Celcius
An indoor swimming pool of depth 2m transfers heat at a rate of 100w/m2 to the 10m of air between the pool and the roof for 1000s. What is the temperature change of the air
Suppose a car's brakes can produce an acceleration of -7 m/s2. what is the minimum distance necessary to stop the car
After flying for 15 min in a wind blowing 42 km/h at an angle of22°south of east, What is the speed of the airplane relative to the air
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 5.50 m before falling back down again. A boy then catches the ball when it is 1.30 m above the pavement. Ignoring air resistance, cal..
A 3000 kg truck is heading east at 80 mph. A 1000 kg car is heading north at 40 mph. They collide and stick togther. What is the velocity and direction of the car/truck
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