A decrease in the magnitude of the velocity is called

1 answer:

3 0

That's one of the three changes that are called "acceleration".

The other two are:

-- increase in the magnitude

-- change in direction.

Some might call a decrease in the magnitude "deceleration".

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I need help with this answer

Gemiola [76]

decomposition

A decomposition reaction is just the opposite of combination reaction

5 0

3 years ago

Compared with our ancestors, today's energy supply is provided by

juin [17]

Solar energy and Hydro is the correct option.

<h3>Which sources provide energy nowadays?</h3>

Today's energy supply is provided by solar energy and Hydro as compared to our ancestors because our ancestors have no modern technology to obtain energy from sun and water. They get energy from burning of fossil fuels and biomass.

So we can conclude that solar energy and Hydro is the correct option.

Learn more about energy here: brainly.com/question/13881533

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4 0

2 years ago

A 40.0 N crate is pulled up a 5.0 m inclined plane. The angle of inclination of the plane to horizontal is 37o. If there is a co

Digiron [165]

The net gain in potential energy by the crate is 120 J.

<h3>What is potential energy?</h3>

Potential energy is the energy that an object has stored in it as a result of its position or condition. Potential energy exists in a stretched spring, a book held above your head, and a bicycle on top of a hill. The joule, which is represented by the letter "J," is the standard unit for calculating potential energy.

<h3 /><h3>Calculation:</h3>

We use the idea of potential energy, which is given by the equation,

PE = mgh

where,

m = mass of the crate

g = gravitational acceleration

h = height

Given,

mg = 40 N

L = 5 m

angle of inclination, ∅ = 37°

h = L sin∅