Which one of the following graphs could possibly represent the vertical position as a function of time for an object in free fall?

A soccer ball collides with another soccer ball at rest. the total momentum of the balls a) is zero b) increased c) remains constant d) decreases

A child sitting 1.10m from the center of a merry-go-round moves with a speed of 1.25m/s. calculate (a) the centripetal acceleration of the child, and (b) the net horizontal force exerted on the child (mass=25.0 kg)

An insulated container contains two chambers of equal volume separated by a rigid wall. One chamber holds 2 kg of gaseous O2 at 100 kPa and 310 K. The other chamber is completely evacuated.

What is the weight, in pounds, of a 255-kg object on jupiter? express the weight numerically in pounds?

Overall, what is the least useful mineral identification property listed here? A. Streak B. Hardness C. Magnetism D. Specific gravity

Which electromagnetic wave has the shortest wavelength? (A. Radio waves b. X-rays c. infrared rays or d. Visible light)

Which mixture can be separated based on differences in particle size of the components

What happens in an open circuit

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.

What is the density of a rock which has a mass of 35 grams and a volume of 7.0 cubic centimeters?