Physics, 09.10.2021 15:50 liddopiink1
3. A car fell off a bridge in a really terrible storm! If the car is accelerating as it's floating down the
river at a rate of 2 m/s°, and the force of the water pushing the car forward is 250 N, what is the
mass of the car?
I:
G: ΣF=
ma
N
kg
m/s2
a=
E:
S:
S:
ΣF=
ΣF =
Are the forces balanced or unbalanced? (circle one)
Answers: 1
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Oxygen and hydrogen gas are at the same temperature t. what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great. d) about 10 times as great.
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3. A car fell off a bridge in a really terrible storm! If the car is accelerating as it's floating d...
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