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Julli [10]
2 years ago
6

True or false question please help me out

Physics
1 answer:
Len [333]2 years ago
7 0

Answer:

thats true

Explanation:

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Select the correct answer.
Aloiza [94]

Answer:

B

Explanation:

B

7 0
2 years ago
write down the total momentum for two marbles of mass,m, both moving at velocity, v. What is the kinetic energy of the system.
frosja888 [35]
Mv + mv = 2mv providing each momentum is in the same direction.
1/2 mv^2 + 1/2 mv^2  = mv^2
4 0
3 years ago
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When do phase transitions occur in molecules?
jekas [21]
It occurs when energy is supplied or withdrawn :)
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3 years ago
Two trains travel toward each other on the same track, beginning 100 miles apart. One train travels at 40 miles per hour; the ot
Paladinen [302]

D = distance between th two trains at the start of the motion = 100 miles

V = speed of the faster train towards slower train = 60 mph

v = speed of the slower train towards faster train = 40 mph

t = time taken by the two trains to collide = ?

time taken by the two trains to collide is given as

t = D/(V + v)

t = 100/(60 + 40) = 1 h

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d = distance traveled by the bird

distance traveled by the bird is given as

d = v' t

d = 90 x 1

d = 90 miles

7 0
3 years ago
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Lab number 14: sudden stops hurt newtons first law
kompoz [17]

Answer:

you want to know newtons first law here.

Explanation:

An object that is at rest stays at rest or stays in motion.

7 0
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