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a gas has a initial volume of 1 m^3.it is expanded to five times its original volume through a quasistatic process for which p= av^4, with a=3 n/m^14. how much work is done by the expanding gas?
A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
A proton having an initial velocity of 17.2i hat bold Mm/s enters a uniform magnetic field of magnitude 0.360 T with a direction perpendicular to the proton's velocity. Determine the time interval for which the proton is in the field
A tennis ball is thrown toward a vertical wall with a speed of 22.0 m/s at the angle of 40.0° above the horizontal. The horizontal distance between the wall and the point where the tennis ball is released is 28.0 m.
A golf ball strikes a hard, smooth floor at an angle of 29.0 ° and, as the drawing shows, rebounds at the same angle. What is the magnitude of the impulse applied to the golf ball by the floor
Describe a solar cell. In your description, include the description, the efficiency of the cell and what the cell produces. Describe solar thermal energy
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 8.00 cm long, What average force was exerted on the nail by the hammer
Two objects attract each other gravitationally with a force of 2.5 * 10^-10N when they are .25m apart. There total mass is 5.00kg. Find their individual masses
Two thin beams are joined end-to-end as shown in the figure to make a single object. What is the gravitational torque on the object
a jet moving at 500.0 km/h due east is n a region where the wind is at 120.0 km/h in a direction 30.00 degrees north of east
Two point charges Q1 = -25 micro Coulombs and Q2 = +50 micro Coulombs, are separated by a distance of 12 cm. The electric field at the point P is zero. How far from Q1 is P?
A 913-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 30.0 m/s. What is the average force exerted on the car during this time
During 8.09 seconds a motorcyclist changes his velocity from v1,x = -35.1 m/s and v1,y = 13.7 m/s to v2,x =-24.7 m/s and v2,y = 26.5 m/s
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