When the temperature of an object increases, what happens to the kinetic energy of the particles in the object? A.It is conserved.

B.It equals zero.

C.It increases.

D.It decreases.

Answers

Answer 1

Answer: When the average kinetic energy of the particles in the object increases, we sense and measure that change as an increase in the object's temperature.

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If a 3 kg object has a momentum of 33 kg ms whats its velocity?

Answers

Momentum = (mass) x (speed)

33 kg-m/s = (3 kg) x (speed)

Divide each side by 3 kg :

(33 kg-m/s) / (3 kg) = speed

11 m/s = speed

(You asked for velocity, but didn't give us any information about the direction
in which the object is moving. So we can only work with the speed.)

Which star is closest to our solar system (after the sun)? a. Vega b. Sirius c. Regulus d. Proxima Centauri

Answers

Answer:

d. Proxima Centauri

Explanation:

The star closest to our solar system(after the sun) is Proxima Centauri

The term angle of deviation is used in reference to A. a polarizer.
B. a prism.
C. a lens.
D. an analyzer.

Answers

B. a prism.

This is because the term "angle of deviation" is used to describe the angle at which the light bends compared to the normal of the ray of light

The strength of the force of gravity depends ona. the masses of the objects and their speeds.
b. the masses of the objects and the distance between them.
c. the weight of the objects and their speeds.
d. the masses of the objects and their weights.

Answers

The correct answer to the question is : B) The masses of the objects and the distance between them.

EXPLANATION :

Before going to answer this question, first we have to understand Newton's law of gravitation.

As per Newton's law of gravitation, everybody in the universe attracts every other body with a force called gravitational force or force of gravity which is directly proportional to the product of masses of the two bodies, and inversely proportional to the square of separation distance between them.

Let us consider two bodies of masses M and M' which are separated by a distance R.

The gravitational force acting between them is calculated as -

Gravitational force $F=\ G(MM')/(R^2)$

Here, G is known as universal gravitational force constant.

From above, we see that force of gravity depends on the masses of the objects and the distance between them.

The strength of the forces of gravity between two objects is completely
determined by their masses and the distance between them.

Their speeds have no effect on the gravitational force, and their weight
IS the gravitational force.

Tobacco use can negatively impact a person's health, family, and finances. True or false

Answers

The answer is totally true

yes that is very true

You're driving down the highway late one night at 19 m/s when a deer steps onto the road 35 m in front of you. Your reaction time before stepping on the brakes is 0.50 s , and the maximum deceleration of your car is 10 m/s² . How much distance is between you and the deer when you come to a stop? What formulas do you use?