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RUDIKE [14]
3 years ago
8

In a rolling race, two objects are released from the top of two identical ramps. They then roll without slipping to the bottom o

f the ramp. If the two objects are 2 hoops of the same radius but different masses, which reaches the bottom first?
a. The lighter one reaches the bottom first
b. The heavier one reaches the bottom first
c. We don’t have enough information
d. They reach the bottom at the same time
Physics
2 answers:
Strike441 [17]3 years ago
7 0

Answer:

B

Explanation:

The answer is B the heavier item has more g force pushing it making it roll faster reaching the bottom of the ramp first.

mixer [17]3 years ago
6 0

Answer:

b. The heavier one reaches the bottom first.

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What is the momentum of a 5 kg object that has a velocity of 1. 2 m/s? 3. 8 kg • m/s 4. 2 kg • m/s 6. 0 kg • m/s 6. 2 kg â
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The momentum of a 5kg object that has a velocity of 1.2m/s is 6.0kgm/s.

<h3> MOMENTUM:</h3>

Momentum of a substance is the product of its mass and velocity. That is;

Momentum (p) = mass (m) × velocity (v)

According to this question, an object has a mass of 5kg and velocity of 1.2m/s. The momentum is calculated thus:

Momentum = 5kg × 1.2m/s

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Therefore, the momentum of a 5kg object that has a velocity of 1.2m/s is 6.0kgm/s.

Learn more about momentum at: brainly.com/question/250648?referrer=searchResults

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Answer:

Acceleration, a=-2.48\ m/s^2

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Initial speed of the skater, u = 8.4 m/s

Final speed of the skater, v = 6.5 m/s

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We need to find the acceleration on the rough ice. The third equation of motion gives the relationship between the speed and the distance covered. Mathematically, it is given by :

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So, the acceleration on the rough ice -2.48\ m/s^2 and negative sign shows deceleration.

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