chrisa2ladeltlanago chrisa2ladeltlanago

24-03-2016
Physics

contestada

Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20.o m/s what if the speed was moving twice the speed

Respuesta :

olemakpadu olemakpadu

24-03-2016

KE = (1/2)mv²

KE = (1/2)* 1000* 20²

= 200 000J

If it is moving twice the speed.

v = 2*20 = 40

KE = (1/2)* 1000* 40²

KE = 800 000J

Answer Link

Otras preguntas

Which factor is not used to define biomes? a. plant structures b. leaf type c. historical similarities d. climate

Simplify the expression 9r+22-4r-5

According to the school survey 12% of the students at Rockwood high school speak Spanish there are 36 students at the school who speak Spanish how many students

Within eukaryotic cells, there is an intricate network of _______ with unique functions.

joe is making a recipe that calls for 3/4 teaspoon of cinnamon. his only measuring spoon holds 1/8 teaspoon. How many times will he need to fill his measuring s

is the relationship between 6 and the number of 6s 6,641

FACT of the day "The cause of the popping sound produced by knuckle cracking(fingers) is largely a mystery."

Your teacher assigned 20 homework problems. You completed 5 on Monday and 10 more on Tuesday. What fraction of the 20 problems did you complete?

are the mid segments of an isosceles triangle congruent

The product of 9 and a number is 12 less than three times that number. What is the number?