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2 years ago

13

How is velocity different from speed? Velocity is based on distance. Velocity includes direction. Velocity can be an average or

instantaneous.

2 answers:

Kruka [31]2 years ago

5 0

Velocity includes direction, for instance going 140 MPH is speed but going 140 MPH North is velocity

Elenna [48]2 years ago

5 0

On edu the correct answer is B. Velocity Includes Direction

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A 30 kg student drops down from the monkey bars. The acceleration due to gravity is -9.8 m/s^2. Neglecting air drag, what is the

Sholpan [36]

The net force on the student is A) -294 N

Explanation:

Neglecting air resistance, there is only one force acting on the student: the force of gravity, which is given by

$F=mg$

where

m is the mass of the student

g is the acceleration of gravity

In this problem, we have:

m = 30 kg is the mass of the student

$g=-9.8 m/s^2$ is the acceleration of gravity, where the negative sign means the direction is downward

Substituting, we find the force of gravity on the student:

$F=(30)(-9.8)=-294 N$

And since this is the only force acting on the student, it is also the net force on him.

Learn more about gravitational force:

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3 years ago

Male turkeys work to attract female turkeys, but only the dominant turkeys of the group breed. The less dominant turkeys are a g

coldgirl [10]

Answer:

altruism

Explanation:

4 0

3 years ago

Rearrange this equation so it equals d<br> v=dt

irina1246 [14]

Answer:

Below

Explanation:

To solve for d rearrange the formula v = (d)(t) to:

d = v / t

I'm not to sure if you are using different variables but usually in physics the formula for velocity is v = d / t not v = dt

If you wanted to solve for displacement you would do:

d = (v)(t)

Hope this helps!

5 0

2 years ago

What is units and dimensions? what are dimensions less quantities?

tensa zangetsu [6.8K]

Answer:

A dimension is a measure of a physical variable.

Unit is a way to assign a number or measurement to that dimension.

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement is the SI of the unit one, which is not explicity shown.

3 0

3 years ago

Rita has two small containers, one holding a liquid and one holding a gas. Rita transfers the substances to two larger container

Temka [501]

Answer: liquids take the shape of the container they are in, but have definite volume. like liquids the shape of a gas changes with the container. unlike liquids the volume of a gas changes depending on the container it is in

Explanation:

4 0

3 years ago

Read 2 more answers