mathperson8867 mathperson8867

21-10-2021
Physics

contestada

when the speed of a moving car is doubled, how much more kinetic energy does it have?

Respuesta :

rspill6 rspill6

27-10-2021

Answer: 4 times

Explanation:

KE1 = (1/2)mv^2

KE2 = (1/2)m(2v)^2 or (1/2)m*4v^2

KE2/KE1 = ((1/2)m*4v^2)/((1/2)mv^2) = 4 times

Answer Link

Otras preguntas

Which educational topic would the nurse prioritize when providing discharge instructions to a patient with Cushing syndrome ?

a main idea for top cancer fighting foods

Consider this right triangle with given measures. A right triangle. A side is StartRoot 34 EndRoot meters and the hypotenuse is 9 meters. Which of the follwing

abababababababababbababababababababab

Consider the content of the following XML file: <?xml version="1.0"?>Cola Drink What is the name of the beverage in the XML file? 1) Cola Drink 2) Pepsi 3

Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants. bx+y=a² ax+y=b²

Is there a BST B and a query value X such that the search for X in B visits the following sequence of key values in the given order? a. 20, 100, 30, 150, 70 You

Question: After overtaking another motor vehicle on a two-lane roadway, a good rule of thumb to use to determine when it is safe to return to the right-hand lan

Describe the cultural interpretations of time, space, agreement/disagreement, and friendship.

How convincing is President Bush's description of a world divided into freidns and enemies of freedom?