A 3.2 kg object is accelerated from rest to a speed of 63.2 m/s in 57 s. What average force was exerted on the ob- ject during this period of acceleration?
Answer in units of N.

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

How to tell if a molecule is polar or nonpolar with electronegativity

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter