Question

what happens when one object has high mass, high speed? high mass, low speed?

Explanation:

Step1: Recall momentum formula

Momentum \(p = mv\), where \(m\) is mass and \(v\) is velocity.

Step2: Analyze high - mass, high - speed case

When \(m\) is high and \(v\) is high, from \(p = mv\), the momentum \(p\) will be very large. This means the object has a large tendency to keep moving in its current state and is difficult to stop or change its motion. For example, a large truck moving at a high speed is very difficult to bring to a halt quickly.

Step3: Analyze high - mass, low - speed case

When \(m\) is high and \(v\) is low, the momentum \(p\) is still significant due to the large mass. Although it is moving slowly, because of its large mass, it also has a relatively large tendency to keep moving. For instance, an elephant moving slowly still has a lot of momentum because of its large mass and is not easy to stop or change its path.

Answer:

When an object has high mass and high speed, it has a large momentum and is difficult to stop or change its motion. When an object has high mass and low speed, it also has a relatively large momentum due to the large mass and is not easy to stop or change its path.