3. what is conserve during chemical reactions?
1) energy, only
2) matter, only
3)...
Physics, 10.01.2020 22:31 brenda9495
3. what is conserve during chemical reactions?
1) energy, only
2) matter, only
3) both matter and energy
4) neither matter nor energy
Answers: 2
Physics, 22.06.2019 18:30, okitsfrizz6366
Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
Answers: 1
Mathematics, 02.11.2020 14:00
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