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Tatiana [17]
2 years ago
10

Sully is riding a snowmobile on a flat, snow-covered surface with a constant velocity of 10 meters/second. The total mass of the

snowmobile, including Sully, is 280 kilograms. If Sully accelerates to a velocity of 16 meters/second over 10 seconds, what’s the force exerted by the snowmobile to accelerate? Use F = ma, where . 160 N 168 N 248 N 280 N 324 N
Physics
2 answers:
Gelneren [198K]2 years ago
7 0
Answer: 168N

16 - 10 = 6
6 / 10 = .6
F = 280 x .6 = 168
Svetradugi [14.3K]2 years ago
6 0
16 - 10 = 6
6 / 10 = .6 (this sign / means to divide)
F = 280 x .6 = 168
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The kinetic energy in the first case is 4 times more than the second case.

Hence, option D)It is 4 times greater is the correct answer.

<h3>What is Kinetic Energy?</h3>

Kinetic energy is simply a form of energy a particle or object possesses due to its motion.

It is expressed as;

K = (1/2)mv²

Where m is mass of the object and v is its velocity.

Given that;

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For the first case, kinetic energy of the car will be;

K = (1/2)mv²

K = (1/2) × m × (16m/s)²

K = (1/2) × m × 256m²/s²

K = mass × 128m²/s²

For the second case, kinetic energy of the car will be;

K = (1/2)mv²

K = (1/2) × m × (8m/s)²

K = (1/2) × m × 64m²/s²

K = mass × 32m²/s²

Comparing the kinetic energy of the car with the same mass but different velocity, we can see that the kinetic energy in the first case is 4 times more than the second case.

Hence, option D)It is 4 times greater is the correct answer.

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Which of the following are inertial reference frames? A. A car driving at steady speed on a straight and level road. B. A car dr
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A. A car driving at steady speed on a straight and level road.

B. A car driving at steady speed up a 10∘ incline.

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