4. A 12 N object is attached vertically by a string to a frictionless car that runs along a level track. The car with mass m kg covers a distance of 1.25 m in 5.0 s after it starts from rest. Find the final speed of the car. (m/s) Find the loss in potential energy of the 12 N object in falling through a distance of 1.25 m (J) Find the gain in kinetic energy of the car and the hanging object (J) PLEASE SHOW COMPLETE SOLUTION
4. A 12 N object is attached vertically by a string to a frictionless car that runs along a level track. The car with mass m kg covers a distance of 1.25 m in 5.0 s after it starts from rest. Find the final speed of the car. (m/s) Find the loss in potential energy of the 12 N object in falling through a distance of 1.25 m (J) Find the gain in kinetic energy of the car and the hanging object (J) PLEASE SHOW COMPLETE SOLUTION
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4. A 12 N object is attached vertically by a string to a frictionless car that runs along a level track. The car with mass m kg covers a distance of 1.25 m in 5.0 s after it starts from rest.
- Find the final speed of the car. (m/s)
- Find the loss in potential energy of the 12 N object in falling through a distance of 1.25 m (J)
- Find the gain in kinetic energy of the car and the hanging object (J)
PLEASE SHOW COMPLETE SOLUTION
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