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
Georgia [21]
3 years ago
13

What is the potential energy of a 5kg rock that is 7m high on a hill

Physics
1 answer:
Goryan [66]3 years ago
4 0

Explanation:

Gravitational potential energy = mgh = (5)(9.81)(7) = 343.35J.

You might be interested in
What constant acceleration (in ft/s2) is required to increase the speed of a car from 27 mi/h to 50 mi/h in 5 seconds
SIZIF [17.4K]

Answer:

6.746 ft/s^2

Explanation:

v(t)=50

v(0)=27

t=5/3600 = 1/720 hours

v(t)-v(0)= a(t-0)

50-27= a(1/720)

a= 23*720= 16560 mi/h^2

16560mi/h^2 * 5280/3600^2 (ft/s^2) =6.746 ft/s^2

4 0
3 years ago
He conducted experiments in combining elements
Wewaii [24]
Where is the rest .........
3 0
3 years ago
the distance between two points P and Q is 120 m a object goes from point P to q and then returned to P in 1 minute 40 second wh
Naily [24]

Answer:

using a formula

average velocity=total displacement/total time

average velocity=120/1minute40sec

1minute=60sec

60sec+40sec=120sec

average velocity=120m/120sec

average velocity=1m/sec

3 0
3 years ago
An object falling straight down without air resistance is said to be exhibiting
Tanzania [10]

Answer:

Explanation:

If the object is falling straight down it is in free fall.  The difference between that and two-dimensional motion is that 2D motion is parabolic (projectile)

6 0
3 years ago
A light ray is incident from air into glass (ng = 1.52) then onto water (nw= 1.33). The wavelength of light in air (na= 1) is ai
gregori [183]
The answer is is b hope this helped
3 0
3 years ago
Other questions:
  • Energy
    6·2 answers
  • NEED HELP NOW ETHANHUNT 25 POINTS WILL MARK BRAINLIEST!! For the independent reading all you have to do is pick a grade six book
    12·1 answer
  • A 8kg cat us running 4 m/s. How much kenetic energy is that
    14·1 answer
  • Which of the following objects conducts heat the best?
    10·1 answer
  • Plz help me on science about cells
    7·1 answer
  • The motion map shows an object’s position and velocity at given times. A long black arrow right labeled x. Above that are 5 gree
    14·2 answers
  • Consider a uniform horizontal wooden board that acts as a pedestrian bridge. The bridge has a mass of 300 kg and a length of 10
    15·1 answer
  • Can a body have zero velocity and finite acceleration?Explain​
    5·1 answer
  • A 10 g bullet moving horizontally with a speed of 2000 m/s strikes and passes through a 4.0 kg block moving with a speed of 4.2
    10·1 answer
  • Which objects would be considered to be in free fall?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!