Question

Please help
A book is given a sudden push to make it slide along a desktop. If the initial speed of the slide is doubled, by what factor is the distance that the book slides changed?
(Points : 1)
0.5

0.25

2.0

4.0
additional info- the distance from the top of the slop to the bottom is 85m

Answer 1

@bohotness

Answer 2

what do you think is that answer love :D

Answer 3

i think its 2

Answer 4

whoops i asked the wrong question

Answer 5

A 720 kg roller-coaster car starts off from Location A. Assuming friction does not impede the car's motion, what will be the change in its potential energy by moving from Location A to Location B?
7.1 × 103 J

6.1 × 104 J

6.0 × 105 J

7.8 × 105 J

Answer 6

:d WHat do you think is your answer

Answer 7

Use conservation of energy

Answer 8

Potentional energy is a function of height. mass*height = PE

Answer 9

iambatan is right :D

Answer 10

ok, so i use that formula?

Answer 11

im not very good at physics :(

Answer 12

its okay we well help you XD