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

Where was the first thanksgiving celebrated

Solve the compound inequality, 2y-2>- 14 or 4y-4 ≥ 12 Write the solution in interval notation, If there is no solution, enter Ø.

Carole makes an array of magnets on her refrigerator she makes7 rows with 8 magnets in each row which of the following shows how to find the total number of mag

A blastocyst is a A. Cluster of cells surrounding a developing egg in the uterus B. Membrane that surrounds and protects a growing embryo in the uterus C. Grow

How have tool use and social cooperation enabled humans to alter their environment more than other species?

If the perimeter of the base of a regular pyramid is 24 and its slant height is 10, what is the lateral area of the pyramid?

6.5c - 2.5c + 9 = -7 solve for c

Items deleted from any area of your computer's hard drive are stored in the Recycle Bin until the Recycle Bin is emptied. False True

An open organ pipe is 1.6m long. If the speed of sound is 343m/s, what are the pipes: a) fundamental , b) 1st overtone , & c) 2nd overtone ?

ni in upIdyt jaar 24 = 2 x 2 x 2 x 2