notsosmart4823 notsosmart4823

22-02-2018
Physics

contestada

If a car increases its speed from 20 mph to 60 mph, by what factor does the kinetic energy of the car increase

Respuesta :

Baddie23 Baddie23

22-03-2018

Mass is constant.

Therefore, KE2/KE1 = v2^2/v1^2 = 60^2/30^2 = 4.

Answer is by a factor of 4.

Answer Link

Otras preguntas

If one figure is inside the other, find the volume of each figure and subtract them.

What is the first step in connecting to a remote computer using

The following equations estimate the calories burned when exercising (source): Women: Calories = ( (Age x 0.074) — (Weight x 0.05741) + (Heart Rate x 0.4472) —

1. What solid figure represents the object at the right? A) cylinder B) sphere C) pyramid D) cone

what will happen if you remove a keloid surgically

On average , PER 100 gram of an orange contains about 47kJ of energy, and a banana stores 350 KJ per 100 gram. Calculate the ratio of the energy stores in the t

Find the correct subject-verb agreement. 1. There (is, are) the senator and the congressman on the steps of the Capitol.

Help with this please

A survey asked buyers whether the price, size or brand influenced their choice of cell phone. The results are below. 5 only chose price 20 chose only price and

PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPP HOW TO DO THIS