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
OverLord2011 [107]
3 years ago
5

A roller coaster pushes a 25 kg person upward with a force of 300 N. What is the acceleration?

Physics
1 answer:
vlada-n [284]3 years ago
8 0
300N/25 kg= divide them for the answer
You might be interested in
When a potassium atom forms an ion, it loses one electron. What is the electrical charge of the potassium ion?
fomenos
The correct answer is answer choice C. +1. Since electrons have negative charges, losing one electron will cause the atom to have a positive charge of 1. This charge comes from the protons, which, until one electron was lost, balanced out the negative charge of the electrons and caused the atom to be neutral.
6 0
3 years ago
a car traveling at 30m/s notices an accident about 65m up the road. The car's brakes are capable of decelerating at a rate of 6.
uysha [10]
Yes because you would have at least 3 car spaces
4 0
3 years ago
A current of 0.92 A flows past a point in a circuit? How much charge, in units of Coulombs, passes that point in one minute?
Alisiya [41]
<h3><u>Answer;</u></h3>

<u>  = 55.2 Coulombs </u>

<h3><u>Explanation</u>;</h3>

We can determine Charge using the formula

Q =It, where Q is the amount of charge in Coulombs, I is the current in amperes and t is the time in seconds.

I = 0.92 amperes, t = 1 minute or 60 seconds

Charge = 0.92 × 60

          <u>  = 55.2 Coulombs </u>

7 0
3 years ago
What is a chemical substance that cannot be broken down into another substance?
Tema [17]
The answer is C. Elements 

Elements cannot be broken down int simpler substances even by chemical means
6 0
3 years ago
Read 2 more answers
If 500 cal of heat are added to a gas, and the gas expands doing 500 J of work on its surroundings, what is the change in the in
poizon [28]

Answer:

The change in the internal energy of the gas 1,595 J

Explanation:

The first law of thermodynamics establishes that in an isolated system energy is neither created nor destroyed, but undergoes transformations; If mechanical work is applied to a system, its internal energy varies; If the system is not isolated, part of the energy is transformed into heat that can leave or enter the system; and finally an isolated system is an adiabatic system (heat can neither enter nor exit, so no heat transfer takes place.)

This is summarized in the expression:

ΔU= Q - W

where the heat absorbed and the work done by the system on the environment are considered positive.

Taking these considerations into account, in this case:

  • Q= 500 cal= 2,092 J (being 1 cal=4.184 J)
  • W=500 J

Replacing:

ΔU= 2,092 J - 500 J

ΔU= 1,592 J  whose closest answer is 1,595 J

<u><em>The change in the internal energy of the gas 1,595 J </em></u>

6 0
3 years ago
Other questions:
  • He is the chemical symbol for which element? Select one: a. hydrogen b. hassium c. helium d. hafnium
    7·1 answer
  • What happens when you modify a pwc's exhaust system?
    5·1 answer
  • 9. A car driver brakes gently. Her car slows down front --
    11·1 answer
  • Two particles execute simple harmonic motion of the same amplitude and frequency along close parallel lines. They pass each othe
    5·1 answer
  • Without the greenhouse effect operating in our atmosphere
    8·2 answers
  • how does the graph of displacement versus time look for something moving at a constant positive velocity
    8·1 answer
  • To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeof
    8·1 answer
  • ¿A qué se llama Campo en Psicología?
    7·2 answers
  • Pleaseeeee help!! It’s due very soon
    15·1 answer
  • Define pressure and enlist its various units
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!