Physics
Physics, 27.07.2019 20:30, jnkbragg3696

If a cannonball is fired horizontally from a cannon high atop a mountain,

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Physics, 01.07.2019 23:30, peno211
A1200-kg cannon suddenly fires a 100-kg cannonball at 35 m/s. what is the recoil speed of the cannon? assume that frictional forces are negligible and the cannon is fired horizontally.
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Physics, 09.07.2019 08:00, edsimms21111
Acannonball is fired horizontally from the top of a cliff. the cannon is at height h = 80.0 m above ground level, and the ball is fired with initial horizontal speed v0. assume acceleration due to gravity to be g = 9.80 m/s2 .assume that the cannon is fired at time t=0 and that the cannonball hits the ground at time tg. what is the y position of the cannonball at the time tg/2?
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Physics, 22.08.2019 00:10, nady82
A1200 kg cannon fires a 100.0 kg cannonball at 52 m/s. what is the recoil velocity of the cannon? assume that frictional forces are negligible and the cannon is fired horizontally. a) 4.3 m/s b) 5.2 m/s c) 52 m/s d) 4.7 m/s
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Physics, 01.11.2019 01:31, alondris3888
Arevolutionary war cannon, with a mass of 2260 kg, fires a 15.5 kg ball horizontally. the cannonball has a speed of 109 m/s after it has left the barrel. the cannon carriage is on a flat platform and is free to roll horizontally. what is the speed of the cannon immediately after it was fired? answer in units of m/s.
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