PHYSICS HIGH SCHOOL

The source of the centripetal force required for a car to round a curve is _____.tension
gravity
friction
weight

Answers

Answer 1
Answer: The source of the centripetal force required for a car to round a curve is friction, I believe. This would be because the cars wheels are grinding across the ground while rounding a curve. It's not Tension, because the stretching of the wheels don't really help and although gravity/weight make the car stay on the ground, it's the fricition that makes it round a curve.
Answer 2
Answer:

The Correct Answer Is Friction.

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The atmosphere and oceans are constantly moving. Their activity is due primarily to _____. the Sun's energy the moon's gravity the earth's gravity air pressure
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A ball is thrown at 60 degrees and lands in 18.5 seconds what is the velocity of the ball at the start
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A book is at rest on a table. Identify the correct free-body diagram for this situation.

Answers

Answer:

the 3rd pic is correct

Explanation:

because the arrows are going away from each other.

Show a picture .. of what your doing

The jovian planets contain a large percentage of the gases

Answers

The Jovian planets contain large percentage of Gases its because they are formed outside of what they called as frost line where temperature is low enough for ice condensation unlike terrestrial planets formed close to the sun where the temperature is very appropriate for metal and rock to condense.

The Jovian planets contain a large percentage of the gases Hydrogen and Helium.

The hardest known natural material is _____.

Answers

I hope I am not to late but diamond is the hardest

The hardest known natural material is diamond!!! Good luck :)

Why does the number of dwarf planets recognized by astronomers in the solar system sometimes increase?

Answers

Because sometimes it happens that they discover a dwarf planet
that nobody ever knew about before.  When that happens, they
ADD the new one to the list of known dwarf planets, and then the
total number of dwarf planets on the list increases by 1 .

a graph depicts force versus position. what represents the work done by the force over the given displacement?

Answers

The area under the graph. W = f d cos(theta), so you want the number that is force times displacement, which corresponds to the area under the graph.

a relative density bottle has a mass of 29.2 g when empty its mass is 116.2 g when it is full of liquid or diesel and when full of water it's mass is 129.2 g calculate the relative density of diesel​

Answers

Answer:

0.87

Explanation:

Given :

Mass of bottle = 29.2 g

Mass when filled with diesel = 116.2 g

Mass when filled with water = 129.2 g

The mass of water = (Mass when filled with water - mass of bottle)

Mass of water = 129.2 - 29.2 = 100 g

Mass of diesel = (Mass when filled with diesel - mass of bottle)

Mass of diesel = 116.2 - 29.2 = 87

Relative density of diesel = mass of diesel / mass of equal volume of water

Relative density = 87 / 100 = 0.87
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