johnathanwallace147 johnathanwallace147

01-03-2019
Mathematics

contestada

If a roller coaster has the potential energy of 250 Joules right before it plunges down the track, what is its potential energy half way through the run?

Respuesta :

Аноним Аноним

01-03-2019

Answer:

130 joules.

Step-by-step explanation:

Potential energy at height h = mgh where m = mass, g = acceleration due to gravity.

At the halfway mark the where the height is h/2 then the potential energy is 1/2 * 260 = 130 joules.

Answer Link

Otras preguntas

Please help me quick !!!hb

How do historians identify one era as separate from another era

4.(-6) = (-6) + (-6) + (-6) + (-6)

How many solutions does the system have? y=-7+8 , y=-7x-8

What does it mean when it says that you are a “distant cousin” to oak trees?

The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 11, 20,29,... Find the 30th term.

PART A: Which statement identifies the central idea of the text? A Both articles depict severe political and social conflict in Bosnia, and while some supporte

There are 23 colored pencils in each box.There are 36 boxes. How many coloredpencils are there in all?

Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost $20. The items she bought cost a total of $160 before tax was added. What was the c

A quarter is 1/3 of dóllar . Víctor has 32 quarter . How much money does he have