PHYSICS MIDDLE SCHOOL

An object has a mass of 10 grams and a volume of 5 what is the density of the object

Answers

Answer 1
Answer:

Answer:

2

Explanation:
Answer 2
Answer:

Final answer:

The object's density is calculated by dividing its mass (10 grams) by its volume (5 cubic centimeters), yielding a density of 2 g/cm³.

Explanation:

The density of an object is calculated by dividing its mass by its volume. For the object in question, its mass is 10 grams and its volume is 5 cubic centimeters. Therefore, you would calculate density as follows: Density = Mass / Volume. Plug in the values and you get: Density = 10 grams / 5 cubic centimeters. This equals 2 g/cm³. Hence, the density of the object is 2 grams per cubic centimeter.

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Relative velocity.....Please help....​

Answers

Answer:

3. Usinθ

Explanation:

The vertical component of velocity of any object reaching maximum height is 0 and the horizontal component of velocity of any object in flight remains constant.

Therefore the horizontal component of velocity is Ucosθ for both objects at any given time.

At maximum height A is having 0 vertical velocity but B which just starting its flight is having Usinθ as its vetical component of velocity.

Velocity of B relative to A = Velocity of B - Velocity of A

As velocity can be resolved to components,( to simplify the sum )

Horizontal component of velocity of B relative to A = Horizontal component of velocity of B - Horizontal component of velocity of A

which is 3. Usinθ

The Doppler Effect is produced.... *

Answers

The Doppler effect is observed when the distance between
the source and the observer is changing.

You have to say it that way, because 'motion' isn't enough.
It has to be motion along the line between them.

For example, if the source is whizzing in a circle around the
observer, or the observer around the source, then the distance
between them isn't changing, and there's no Doppler effect.
C. Because as either one or both of the objects receiving or producing the sound has to move to create the doppler effect.

Calculate the acceleration if force is equal to 50 and the mass is 45

Answers

We can't calculate the acceleration until we know the units
of your force and your mass.

F is only equal to M·A if your 'M' is in kilograms and you 'F' is in newtons.

If your force is in, say, pounds, and your mass is in, like, metric tons,
then we would need a slightly different equation.

Why did some alpha particles bounce off the gold foil?

Answers

Because alpha particles are positive charged. And they bounce back because of the electromagnetic force between them and the gold foils protons.

What form of energy provides power for a gas stove? A.
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B.
electrical energy

C.
chemical energy

D.
sound energy

Answers

The correct answer to the question is : C). Chemical energy.

EXPLANATION:

A gas stove provides energy when the gas present inside it, is burnt.

The gas contained inside it are natural gases which contain chemical energy. When gases come under fire or electric spark, the chemical energy is converted into light and heat energy.

No nuclear, electric or sound energy are consumed in providing power .

Hence, the correct statement is chemical energy.
a gas stove uses chemical energy.

What makes a planet a dwarf planet?

Answers

if a plant is under 700km in diameter it is considered a dwarf planet, according to the international astronomical union it must orbit around the sun, be massive enough to be in hydrostatic equilibrium, and it has cleared the neighborhood around its orbit.
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