Bromine, chlorine, and fluorine are examples of a. halogens b. metalloids c. noble gases or d. alkali metals

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

Gunpowder residue is most likely to show up where on a shooters hands

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?