The small toy cart that is moving has more momentum than the huge truck that is not moving. Momentum is calculated by multiplying an object's mass by its velocity, so even though the truck has a greater mass, it has zero velocity and therefore zero momentum.
If a moving car moves twice as fast, its momentum would be twice as much. Momentum is directly proportional to an object's velocity, so if the velocity doubles, the momentum will also double.
The heavier car would have more momentum. Momentum is directly proportional to an object's mass, so the car with twice the mass would have twice the momentum, as long as they are moving at the same velocity.
Explanation:
Momentum is the product of an object's mass and velocity. The truck has a greater mass than the small toy cart, but it is not moving, so its velocity is zero. Therefore, its momentum would also be zero. On the other hand, the small toy cart is moving, so even though its mass is smaller, it has a non-zero velocity and therefore non-zero momentum. Therefore, the small toy cart that is moving has more momentum than the huge truck that is not moving.
Momentum is directly proportional to velocity. This means that if the velocity of an object doubles, its momentum will also double. Mathematically, the equation for momentum is p = mv, where p is momentum, m is mass, and v is velocity. If the velocity of a car is doubled, it means that the value of v will be multiplied by 2. When this value is plugged into the equation for momentum, we see that the value of p will be multiplied by 2 as well.
Again, momentum is directly proportional to mass. If the mass of an object is doubled, its momentum will also be doubled. In this scenario with two cars moving down a hill at the same time, the heavier car has twice the mass of the lighter one. As long as they are moving at the same velocity, the heavier car will have twice the momentum of the lighter one because its mass is twice as much.
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