Ask question

Ask question

All categories

2 years ago

9

A roller coaster is at the top of a 72 m hill and weighs 134 kg. The coaster (at this moment) has____________ energy. Calculate

it.
A. Kinetic Energy and 347,328J
B. Kinetic Energy and 9,648J
C. Potential Energy and 9,648J
D. Potential Energy and 94,550.4J

1 answer:

Inga [223]2 years ago

5 0

Answer:C

Step-by-step explenation: m=134kg,h=72m,g=10m/s

PE=mgh

PE=(134kg)(10m/s^2)(72m)

PE=964800J

You might be interested in

Use the probability distribution to complete parts (a) and (b) below.

Vitek1552 [10]

this could take a while to think about but uhh i dont know,

8 0

2 years ago

PLEASEEEE I BEG YOU PLZZZ SOMEBODY GIVE ME THE RIGHT ANWSERSS TO THESEEE AND I DONT WNAT ANY WRONG ONES ARE REPORT JUST HELPP CU

fredd [130]

Answer:

Step-by-step explanation:

Question 1: C

1 multiplied by 5 = 5

1 plus 5 = 6

So you get: (x+5)(x+1) which means x = -5 or -1

Question 2: B

2 multiplied by -4 = - 8

2 plus -4 = -2

So you get: (x-4)(x+2) which means x = 4 or -2

6 0

2 years ago

What is the slope of the line represented by the equation y= 4/5x-3

guajiro [1.7K]

Answer:

m=

$\frac{4}{5}$

Step-by-step explanation:

Slope of a line is the co efficient of x in the given line.

$y = \frac{4}{5} x - 3 \\ y = mx + b$

6 0

2 years ago

Find the midpoint from (-2,-2) to (6,6)

timama [110]

(2,2)

(x1+x2)/2, (y1-y2)/2
(-2+6)/2=(2)
(-2+6)/2=2

4 0

2 years ago

Read 2 more answers

Factor -12x^6-60x^5-75x^4

lesya [120]

-12x^6 - 60x^5-75x^4.......GCF = 3x^4
3x^4(-4x^2 - 20x - 25)
3x^4(-2x - 5)(2x + 5) <==

6 0

2 years ago