nathanwelker02 nathanwelker02
  • 15-11-2019
  • Mathematics
contestada


A 3.5kg rock is raised to a height of 35m before it is dropped. What was the PE of the rock
before it was dropped?​

Respuesta :

TaeKwonDoIsDead
TaeKwonDoIsDead TaeKwonDoIsDead
  • 27-11-2019

Answer:

1201.725 Joules

Step-by-step explanation:

The potential energy of an object is its energy due to its position (height). It has formula:

[tex]PE=mgh[/tex]

Where

PE is the potential energy (in Joules, J)

m is the mass (in kg)

g is the gravitational constant (-9.8 m/s^2 )

h is the height (in meters)

Given,

m = 3.5 kg

g = -9.81 m/s^2

h = 35 m

Substituting we get the PE to be:

[tex]PE=mgh\\PE=(3.5)(9.81)(35)\\PE=1201.725[/tex]

THe potential energy = 1201.725 Joules

Answer Link

Otras preguntas

Where are the Ural Mountains in Asia?
What determines how a singer is going to sound
which of these forces exist between earth and moon? a.gravitational force b.electromagnetic force c. weak nuclear force d.strong nuclear force
which best explains why minoan civilization was able to develop its rich culture? Please help me asap
To squeeze a gas into a smaller place
HOW DO YOU SOLVE 8(2r-3)-r=3(3r+2)
A maze at a country fair is made from 275 bales of hay. The maze at the state fair is made from 4 times as many bales of hay. How many bales of hay are used for
Name 15 U.S. states and their capitals.
A restaurant bill comes to $28.35. Determine the total cost if the tax is 6.25% and a 20% tip is left on the amount.
The main hazard from a quiet volcanic eruption is??