The distance it takes 4 hours to travel 128 miles is 512 miles
HOW TO CALCULATE DISTANCE:
- The distance can be calculated by multiplying the velocity by time taken:
- Distance (miles) = velocity (miles/hr) × time (hr)
- According to this question, it takes 4.0 hours to travel 128.0 miles/hr. The distance can be calculated as follows:
Distance = 128 × 4
Distance = 512 miles
- Therefore, the distance it takes 4 hours to travel 128 miles is 512 miles.
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In physics, the principle of conservation of momentum states that when you have an isolated system with no external forces, the initial total momentum of objects before a collision equals the final total momentum of the objects after the collision.
Yes it is correct and true.
Answer and Explanation:
They are both correct.
This is because potential energy is when there is potential for the object to have energy, while kinetic energy is energy that is moving already.
So, as the ball falls, it loses its potential energy, or "still/Stalled" energy, and gains kinetic energy, or moving energy.
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c. Ben is correct. According to Newton's 2nd law of motion objects with more mass require more force to accelerate.
Explanation:
We can answer this question by using Newton's second law of motion, which states that the net force applied on an object is equal to the product between the mass of the object and its acceleration. Mathematically:
where
F is the net force
m is the mass of the object
a is its acceleration
From the equation, we notice that:
- The force is directly proportional to the mass of the object --> so if the mass increases, the force needed to accelerate the object will increase too
Therefore, the correct answer is
c. Ben is correct. According to Newton's 2nd law of motion objects with more mass require more force to accelerate.
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