- #1
allstar1
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Hi, I need help witht these 2 questions. My answers have *********** next to them. Any help is appreciated. Thanks.
1. A rocket is propelled forward by ejecting gas at high speed. The forward motion is a consequence of
Choices:
a) conservation of energy.
b) conservation of momentum. ***********
c) both of the above.
d) neither of the above.
2. In an inelastic collision
Choices:
a) both energy and momentum are conserved.
b) energy is conserved.
c) momentum is conserved. ***********
d) neither is conserved.
Thank you.
1. A rocket is propelled forward by ejecting gas at high speed. The forward motion is a consequence of
Choices:
a) conservation of energy.
b) conservation of momentum. ***********
c) both of the above.
d) neither of the above.
2. In an inelastic collision
Choices:
a) both energy and momentum are conserved.
b) energy is conserved.
c) momentum is conserved. ***********
d) neither is conserved.
Thank you.