1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vichka [17]
3 years ago
11

A 2,000 kg car is parked at the top of a 30 m high hill. what is its potential energy?

Physics
2 answers:
Elan Coil [88]3 years ago
8 0

Answer: The potential energy would be 600kiloJoule

Explanation: The Potential energy of a body is a function of it's wieght mg and height h. That is

Potential energy,

P.E = mass* acceleration due to gravity* height

Acceleration due to gravity is a constant 10m/s²

Potential energy = 2000*10*30 =600000Joule which is also 600kilojoule

Phoenix [80]3 years ago
6 0
The PE for this question will be 588,000 because we take the mass (2,000 kg), multiply it by 9.8 which is Gravitational Acceleration and then multiply that by the height (30 meters)
You might be interested in
How to measure the external diameter of a sphere
DanielleElmas [232]
Sphere is that the circular objects in the two dimensional space (1) circle
(2) disk. Two dimensional space is a set of points and the distance of that point,The two points of Sphere that length and center.
Sphere can constructed as the named of surface form circle about any diameter. circle is the special type of the revolution replacing the circle,
sphere is the distance r is the radius of the ball and circle is the center of mathematical ball,as the center and the radius of the sphere is to respectively.
The ball and sphere has not be maintained mathematical references as a solid references. A sphere of any radius is centered at the number of zero.
4 0
3 years ago
A car with a mass of 1100kg is moving in a circular curve at a uniform velocity of 15m/s
Dmitrij [34]
Centripetal force = (mv^2)/r
so r = (mv^2)/ force = 246500 / 1100 = 224 m
7 0
2 years ago
A 55.0-kg skydiver drew falls for a period of time before opening his parachute. what is his kinetic energy when he reaches a ve
Jlenok [28]
Mass (m)=55kg

acceleration (a)=9.81 m/s^2, this is the acceleration due to gravity.

initial velocity=0m/s. The skydiver doesn’t start with any speed because she is on the plane or helicopter.

final velocity=16m/s This is the velocity (speed) the skydiver reaches

The equation we use is KE=.5mv^2
Kinetic energy=.5 mass x velocity^2

KE=.5(55kg)(16m/s)^2
KE=.5(55kg)(256m/s)
KE=.5(14080J)

J=Joules

KE=7040J

Kinetic energy is 7040 Joules (J)

Hope this helps
3 0
3 years ago
CHECK MY WORK
Zina [86]
I believe you are right. pH is the concentration of H+. Therefore the more acidic the more H+.
3 0
3 years ago
A 5kg rock and a 10kg rock are dropped from a height of 10m?
fredd [130]
Look out below ! You should step nimbly to one side, to avoid being hit by one or the other of those hazardous weight objects when they arrive (at the same time).
5 0
2 years ago
Other questions:
  • How does the force due to gravity on Mars compare to the force due to gravity on Earth? , and Using Newton's Second Law, explain
    11·1 answer
  • Is a solid PETROLEM
    6·2 answers
  • How many joules are expended by a 70 kg man climbing up 6m of stairway? How much work is done if the climbing takes place on the
    13·1 answer
  • How long does it take to reach the sun?
    15·1 answer
  • certification programs are available at all of the following except A. online schools B. vocational school C. community colleges
    8·2 answers
  • A lens is designed to work in the visible, near-infrared, and near-ultraviolet. The best resolution of this lens from a diffract
    6·1 answer
  • When are all the forces acting upon an object balanced?
    11·1 answer
  • Wheel A has a radius of R and wheel B has a radius of 2R. Wheel A has all the mass at the rim, while wheel B has the mass unifor
    6·1 answer
  • All matter has electrical and magnetic properties because the atoms that make up matter are held together by electromagnetic for
    13·1 answer
  • The actuon of a lever is affected by the?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!