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
Stels [109]
3 years ago
6

Are all these a chemical change Burn Dissolve Rust Explode

Physics
1 answer:
zloy xaker [14]3 years ago
6 0
Rust is not because it does not occur through a chemical process
You might be interested in
A torque of 50 N*m acts on a wheel of moment of inertia 25 kg*m^2 for 4 s and then is removed.
motikmotik
You have to find the calculate<span> the circumference first then you can just multiply the diameter by π, which is about 3.142. That gives you the distance for each </span>revolution<span>. Then you can multiply by the </span>number of revolutions<span> per minute.

</span>
3 0
3 years ago
Photograph E shows a rechargeable torch. When a student shakes the torch, the magnet moves through the coil and back again. This
Brums [2.3K]

Answer:

a) according to Faraday's law , b) creating a faster movement, placing more turns on coil

Explanation:

a) The voltage is induced in the coil by the relative movement between it and the magnet, therefore according to Faraday's law

           E = - d (B A) / dt

In this case, the magnet is involved, so the value of the magnetic field varies with time, since the number of lines that pass through the loop changes with movement.

This voltage creates a current that charges the battery

b) There are several ways to increase the voltage

* creating a faster movement, can be done by the user

* placing more turns on the coil, must be done by the manufacturer

6 0
3 years ago
Read 2 more answers
Can someone help me
Illusion [34]
Thomas Edison is the answer im 100% sure of it.
5 0
3 years ago
Emeka carried out a reaction in which a gas was given off. He followed the progress of the reaction by measuring the mass of the
pickupchik [31]

Answer:

17.5

or

1.1 g/min

I know it's one of these, try getting a second opinion

6 0
2 years ago
In the equation for the gravitational force between two objects, which quantity must be squared?
Alex787 [66]

Answer:

The distance between the two objects must be squared.

Explanation:

Gravitational force always act between two objects that have mass. The gravitational force is a weak force and attractive in nature.

The force of pull depends on the masses of the two objects and the distance between them.

The formula to calculate gravitational force between two objects having masses 'm' and 'M' and separated by a distance 'd' is given as:

F_g=\frac{GmM}{d^2}

Where, 'G' is called the universal gravitational constant and its value is equal to 6.674\times10^{-11}\ m^3 kg^{-1} s^{-2}.

Now, from the above formula, it is clear that, the force of gravitation is inversely proportional to the square of the distance between the two objects.

Thus, the quantity that must be squared in the equation of gravitational force between two objects is the distance 'd'.

7 0
3 years ago
Other questions:
  • Nan investigated how many students at her high school had summer jobs. Which of the following is the procedure of her investigat
    12·1 answer
  • Final exam answers for physical science apex?
    10·1 answer
  • A stalled car is pushed with a force of 342N from rest. How far does the car travel in 12 seconds if it’s mass is 989kg
    5·1 answer
  • Desiree has a scientific question that she wants to investigate. She has developed a hypothesis and method for her experiment. W
    11·2 answers
  • How does Photosynthesis use solar energy?
    6·1 answer
  • 20 Point Offer for Full Answer.
    15·1 answer
  • Which describes how outer space, air, and glass affect the speed of light?
    14·1 answer
  • A car that weighs 1.0 x 10^4 N is initially moving at a speed of 38 km/h when the brakes are applied and the car is brought to a
    13·1 answer
  • A student new to the study of hearing wanted to determine the ability of listeners to determine the difference in the duration o
    13·1 answer
  • What are the SI base units for mass length and time
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!