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
zysi [14]
2 years ago
14

A 20 kg box has 1000 joules of potential energy on a shelf. How high is the shelf?

Physics
1 answer:
navik [9.2K]2 years ago
5 0
Formula: PE = mgh
m = 20 kg, g = 9.8 m/s^2 h= ?
1000 = 20 * 9.8 * h
1000 = 196h
h = 5.10204082
The height is around 5m
You might be interested in
__________ are scientists that study the composition of earth including rock layers at the surface.
insens350 [35]

Answer:

Geology is the study of planet Earth, including its composition and structure. Geologists are scientists who study Earth and the processes that shape Earth over time. Geologists study two types of forces that change Earth's surface.

Explanation:

please mark me brainliest

4 0
3 years ago
Water is a compound because it A. cannot be broken down into simpler substances. B. always has two hydrogen atoms for each oxyge
hjlf
I'm almost positive it's b
7 0
3 years ago
Read 2 more answers
What does the diameter in meters need to be of a round parachute that the designer has determined needs to have an area of 500 s
Marrrta [24]
Area of a circle is
A= pi r^2
so
500m^2 = 3.14 r2
500/pi = r ^2
152.1549...=r^2
square root both sides
r=12.61566...
d=2r
d=25.2
to 3 sig fig
4 0
3 years ago
Need help on this,<br>will mark brainliest if you answer.<br>​
Alecsey [184]

Answer:

(1) tropical storm

(2) Severe tropical storm

(3) 305 kmh

5 0
2 years ago
The energy diagram shows the changes in energy during a chemical reaction.
yanalaym [24]

Answer:

D

Explanation:

reactants have higher potential energy and energy is absorbed

3 0
3 years ago
Other questions:
  • Calcula el peso aparente de una bola de aluminio de 50 cm3, cuando se encuentra totalmente sumergida en alcohol. Datos: la densi
    7·1 answer
  • Which of these statements describes experiences or feelings related to anxiety?
    7·2 answers
  • Multidimensional development means that:
    6·1 answer
  • Convert the value of g=9.8m/s^2 into km/hr^2​
    13·1 answer
  • A thin, uniform stick of mass M and length L is at rest on a flat, frictionless surface to which one end of it is pinned. A smal
    10·1 answer
  • 2. A 50 kg diver is standing on the edge of a 15 m high cliff. What is his potential energy?
    14·1 answer
  • A bullet is fired in a horizontal direction with a muzzle velocity of 300m/s.In the absence of air resistance,how far will it ha
    13·1 answer
  • HELP MEEE
    11·1 answer
  • A bicyclist steadily speeds up from rest to 6.00m/s in 7.30s.
    14·1 answer
  • What are the Cultural impacts from vehicles?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!