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Black_prince [1.1K]
2 years ago
8

A planet moves forward because of momentum True or False??

Physics
1 answer:
lorasvet [3.4K]2 years ago
8 0

Answer:

true

Explanation:

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A 15kg dog jumps out of a 40kg canoe. If the dogs velocity is 1.2m/s, what is the velocity of the canoe?
vivado [14]

Answer:

v = -0.45 m/s

Explanation:

Assuming the canoe was initially at rest with momentum L = 0

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conservation of momentum

0 = 15(1.2) + 40v

v = -0.45 m/s

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2 years ago
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3 years ago
A wire is stretched just to its breaking point by a force F . A longer wire made of the same material has the same diameter. The
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Answer: No

Explanation:

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8 0
2 years ago
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A car accelerates at a constant rate from 0 to 50 mph in three fourths min. How far does the car travel during that​ time?
Helen [10]

Answer:

the car have travelled 0.31 mile during that​ time

Explanation:

Applying the Equation of motion;

s = 0.5(u+v)t

Where;

s = distance travelled

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v = Final speed = 50 mph

t = time taken = 3/4 min = 3/4 ÷ 60 hours = 1/80 hour

Substituting the given values into the equation;

s = 0.5(0+50)×(1/80)

s = 0.3125 miles

s ~= 0.31 mile

the car have travelled 0.31 mile during that​ time

8 0
2 years ago
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