Physics, 27.11.2019 20:31 Supermate11
Friends throw snowballs at the wall of a 3.0 m × 6.0 m barn. the snowballs have mass 0.10 kg and hit the wall moving at an average speed of 6.0 m/s. they do not rebound. part a determine the average pressure exerted by the snowballs on the wall if 30 snowballs hit the wall each second.
Answers: 1
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 17:20
The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.
Answers: 3
Friends throw snowballs at the wall of a 3.0 m × 6.0 m barn. the snowballs have mass 0.10 kg and hit...
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