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
Vitek1552 [10]
2 years ago
14

PLEASE HELP. !!

Chemistry
1 answer:
scoray [572]2 years ago
8 0

Answer:

Potential energy = 441 N

Explanation:

Given:

Mass M = 15 kg

Height = 3 m

Find:

Potential energy

Computation:

Potential energy = mgh

Potential energy = (15)(9.8)(3)

Potential energy = 441 N

You might be interested in
7.6 The diagrams show the atoms in four different substances. Each circle represents an atom.
Illusion [34]

Answer:

A and C represent elements while B and D represent Compounds

Explanation:

chemical elements cannot be broken down into simpler substances by any chemical reaction. While A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds

8 0
1 year ago
Which object can electrically polarized
kobusy [5.1K]

Answer:Static electricity works because objects which are otherwise "neutral" (in other words, objects with no net charge) can be polarized. An electric field, like one caused by a nearby charged object, can cause the charges inside of a neutral object — the protons and electrons — to move around a tiny bit.

Explanation:

5 0
2 years ago
In the grand canyon each rock layer has a matching layer on the wall across the canyon to for the layers extend in all direction
GuDViN [60]
Um can u list the principles? Er?
4 0
3 years ago
Are nails in a jar with water a chemical change
Digiron [165]
I would say it is a chemical change because after a while, the nails start to rust. Now they only rust after about a week though. But rust is a chemical change.
7 0
3 years ago
Applications of chemistry in medical field
OLga [1]

Answer:

Explanation:

Drug for the treatment of disease. Chemistry contributes to the preparation and use of materials for surgery (sutures, artificial skin, and sterile materials). ...

Surgical procedure. ...

Blood samples for laboratory testing. ...

Blood glucose testing device.

6 0
2 years ago
Other questions:
  • A fossilized leaf contains 24% of its normal amount of carbon 14. how old is the fossil (to the nearest year)? use 5600 years as
    10·1 answer
  • Plz help me 50 points and plz no crazys things
    14·2 answers
  • Based on the Valence Shell Electron Pair Repulsion Theory (or VSEPR), molecules will arrange to keep the following as far apart
    14·1 answer
  • Balance this equation and show work. BRAINLIEST<br><br> Zn + O2 → Zn2+ + O2-
    15·1 answer
  • An atom has 23 protons and 29 neutrons. Which is the correct chemical symbol for this atom?
    6·2 answers
  • What type of chemical bond is present in the CI2 molecule?
    5·1 answer
  • Plsss help me!!! ASAP!!!
    6·1 answer
  • Which statement about relative motion is not true?
    15·1 answer
  • The empirical formula of styrene is CH; its molar mass is 104.1 g/mol. What is the molecular formula of styrene
    6·1 answer
  • Find the pH of a buffer that consists of 1.3 M sodium phenolate (C₆H₅ONa) and 1.2 M phenol (C₆H₅OH) (pKₐ of phenol = 10.00).
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!