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deff fn [24]
4 years ago
12

Describe the difference between velocity and speed?

Physics
2 answers:
olasank [31]4 years ago
6 0

Answer:

Velocity is the speed with direction, Speed is just the numerical value

An example of velocity is 45 mph west

speed, 45 mph

Brut [27]4 years ago
5 0

Answer: the difference between velocity and speed is velocity does meters per second and speed is how fast you do those meters per second

Explanation:

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Consider the three inclines shown in the figure. The vertical line is an incline with a 90° angle. (Inclines with 90° angles do
const2013 [10]

The final speed of C is equal to that of B.

The travel time of A is less than that of B.

The final speed of B is equal to that of A.

The travel time of C is greater than that of B.

The final speed of A is equal to that of C.

The travel time of C is greater than that of A.

<h3>What is speed?</h3>

The speed of any moving object is the ratio of the distance covered and the time taken to cover that distance.

Consider the three inclines shown in the figure (attached below). The vertical line is an incline with a 90° angle. All three inclines are frictionless. Three small identical objects are released from the top of the inclines.

When the objects are at the same height, they travel with the same height. The travel time is directly proportional to the incline.

Thus, all the statements are completed.

Learn more about speed.

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4 0
3 years ago
Take a look at the picture.
lubasha [3.4K]

Answer:

D :)

Explanation:

8 0
3 years ago
Read 2 more answers
A communication satellite is in a circular path orbit around Earth. If the speed of the satellite is constant, the net force act
allsm [11]

Answer:

is changing in direction, but constant in magnitude

Explanation:

This question is a bit tricky since the velocity of the satellite is changing, but the speed is constant.

Speed is simply a measure of how fast you are going. It doesn't matter where you're going, just how quickly.

Velocity, on the other hand, does care about which direction you're going. For example, it could be then when you travel right, your velocity is positive, and when you travel left, your velocity is negative. This is the similar for a 2D shape like a circular orbit

Since we know velocity is changing, there must be acceleration which changes that velocity (since acceleration <em>is</em><em> </em>the change in velocity: going from 0 to 60 mph, for example)

Thus, with a non-zero net acceleration, we know that there must be a force that is changing in direction, but constant in magnitude (since the orbit is a circle, and always attracted to the center of the Earth at equal distance).

4 0
3 years ago
the density of maple wood is about 755.kg/m. What is the mass of a solid piece of maple that has a volume 640.cm?
jenyasd209 [6]

I believe that the correct given values are:

density = 755 kg/m^3

volume = 640 cm^3

 

First let us convert volume to m^3 units.

volume = 640 cm^3 * (1 m / 100 cm)^3 = 6.4 x 10^-4 m^3

 

so the mass is:

mass = 755 kg/m^3 * (6.4 x 10^-4 m^3)

<span>mass = 0.4832 kg = 483.2 g</span>

4 0
3 years ago
Which of the following are correct statements about the way an atom is put
Ann [662]

Answer:

valenc e shell

Explanation:

4 0
3 years ago
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