A man is driving a car. He slows down to stop at a stop sign. When does the car have the most kinetic energy (KE)?

When the car's speed is 30 miles per hour

When the car's speed is 15 miles per hour

When the car's speed is miles per hour

The car's motion energy is the same the whole time

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

16

explanation:

the marks go by 4s

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )