Physics, 18.11.2019 00:31 Dragonskeld
A2.4kg cannon is used to propel a 56-gram tennis ball with a speed of 160 m/s. what is the recoil speed of the cannon, tennis ball, and total before and after? what is the velocity?
Answers: 2
Physics, 23.06.2019 00:00
You are standing on a boat. which of the following strategies will make the boat start moving? a. pushing the mast b. throwing some cargo out of the boat c. pushing the front ofthe boat d. pushing another passenger
Answers: 3
Physics, 23.06.2019 03:30
Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.
Answers: 1
A2.4kg cannon is used to propel a 56-gram tennis ball with a speed of 160 m/s. what is the recoil sp...
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