Awell-stocked first-aid kit should include what type of product for cleaning wounds? a. aloe vera b. benzoin c. witch hazel d. antibiotic ointment

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.