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Calculate the magnitude of a force F needed to pull a 50 kilogram box up a frictionless ramp at an angle 25o, therefore that the box has an acceleration of 3 m/s2.
An object of mass 6.61 kg is released from rest and drops 1.90 m to the floor. The collision is completely inelastic. How much kinetic energy is lost during the collision
A 52.6-kg skateboarder starts out with a speed of 2.16 m/s. He does 89.2 J of work on himself by pushing with his feet against the ground. Calculate the change (PEf - PE0) in the gravitational potential energy
How do you figure out a carnot engine cycle problem having temperature range from 4000k to 400k, pressure range from 1atm to 1000atm, max volume = 500 liters.and 20.31 moles of working fluid(monatomic gas). Please show steps.
A ramp is 25 meters long and is inclined at 30 degrees with the horizontal. A block of mass 25 is pulled up at a constant acceleration of 1 m/s2. The coefficient of kinetic friction is 0.15. If the box starts at rest from the bottom, what would be..
You stand on a frictional platform that is rotating at 1.9 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
a helicopter is ascending vertically with a speed of 5.00 . at a height of 100 above the earth a package is dropped
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotati..
Three horizontal forces act on a packing crate on a horizontal surface: 600 N to the left, 200 N to the right, and friction. The packing crate remains at rest. The weight of the crate is 400 N. If the 600 N force is removed, the net force acting on t..
a uniform line charge of linear charge density l 5.00 ncm extends from x 0 to x 10 m. the magnitude of the electric
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 4.00 blocks north, and then 2.00 blocks east, What is the total distance she travels
work of 1500 j is done on an ideal gas but the internal energy increases by only 800 j. what is the amount and
A balloon of volume 4.4 m3 contains argon gas at a pressure of 4.4 105 Pa and room temperature (20°C). What is the total internal energy of the gas? J
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