Question

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

Explanation:

Step1: Recall momentum formula

Momentum $p = mv$, where $m$ is mass and $v$ is velocity. Kinetic - energy $K=\frac{1}{2}mv^{2}$.

Step2: Analyze high - mass, high - speed

When an object has high mass and high speed, it has a large momentum ($p = mv$) and a large kinetic energy ($K=\frac{1}{2}mv^{2}$). It can cause a large impact during a collision and is difficult to stop due to its large inertia.

Step3: Analyze high - mass, low - speed

An object with high mass and low speed still has a relatively large momentum depending on the values ($p = mv$). It has less kinetic energy compared to the high - mass, high - speed case ($K=\frac{1}{2}mv^{2}$). It is still difficult to move or stop because of its high mass.

Step4: Analyze low - mass, low - speed

With low mass and low speed, the object has a small momentum ($p = mv$) and a small kinetic energy ($K=\frac{1}{2}mv^{2}$). It is easy to move, stop or change its motion state.

Step5: Analyze low - mass, high - speed

An object with low mass and high speed can have a moderate momentum ($p = mv$) and a relatively large kinetic energy ($K=\frac{1}{2}mv^{2}$) due to the squared - speed term in the kinetic - energy formula. It can be more easily deflected or stopped compared to high - mass objects but can still cause significant effects in some cases.

Answer:

• High mass, high speed: Large momentum and kinetic energy, difficult to stop, large impact in collision.
• High mass, low speed: Relatively large momentum, less kinetic energy than high - mass high - speed, still hard to move/stop.
• Low mass, low speed: Small momentum and kinetic energy, easy to change motion state.
• Low mass, high speed: Moderate momentum, relatively large kinetic energy, can be more easily deflected/stopped than high - mass objects but can still have significant effects.