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two objects of unequal mass hung vertically over frictionless pulley of negligible mass. Determine the magnitude of the acceleration of the two objects and the tension in the string?
A projectile is fired at v0 = 394.0 m/s at an angle of θ = 64.2o with respect to the horizontal, How far will the projectile travel in the horizontal direction, R
There are many estimates of the number of stars in the universe. One estimate is that there are 1010 stars in the Milky Way galaxy, and that there are 1010 galaxies in the universe.
A projectile is launched with a launch angle of 65° with respect to the horizontal direction and with initial speed 14 m/s. what launch angle produces the longest time of flight
Suppose a 0.250-kg ball is thrown at 15.0 m/s to a motionless person standing on ice who catches it with an outstretched arm, Calculate the final linear velocity of the person
A 110 g copper calorimeter cup contains 190 cm3 of water and 45 g of ice, all in thermal equilibrium. find the mass of water before the hot iron is put into the cup
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
Mike throws a ball upward & toward the east at a 10.0 angle with a speed of 57.0 m/s. find the ball's initial angle in Nancy's referance frame
A 0.30 kg softball has a velocity of 12 m/s at an angle of 35° below the horizontal just before making contact with the bat. The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. What is the magnitude of the average f..
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's center
An artificial satellite circling the Earth completes each orbit in 118 minutes. Find the altitude of the satellite
A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. What was its speed at the instant it left the table
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 460 lines/mm , and the light is observed on a screen 1.7 m b..
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