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3 years ago

The product of an object’s mass and velocity is its

Physics

2 answers:

Alex Ar [27]3 years ago

8 0

The product of an object's mass and velocity is B.momentum.

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goldfiish [28.3K]3 years ago

4 0

The correct answer is B. Momentum

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PLEASE HELP ME PLEASE

zavuch27 [327]

Answer:

The answer to your question is: Element

Explanation:

Question 1. The atomic number or proton number of an atom has the symbol Z. This number indicates the number of protons and element has. Each elelement has a specific atomic number, two different atomic numbers mean 2 different elements.

From the options given, we conclude that the element is different.

3 0

3 years ago

you are pushing a friend in a wagon.you push with a force of 40N. your friend and wagon together have a mass of 80kg. ignoring f

hram777 [196]

Answer:

a= 0.5 m/s^2

Explanation:

3 0

3 years ago

A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is crawling on an adjacent wal

asambeis [7]

Answer:

The distance is 3.1 m

Explanation:

The position vector of the fly relative to the corner of the wall is

r = (3.1, 0.5).

The distance of the fly from the corner will be calculated as the magnitude of the vector "r"

magnitude of vector $r = \sqrt{(3.1 m)^{2} + (0.5 m)^{2}} = 3.1 m$

Since the numbers to be added have only one decimal place 3.1 and 0.5, the result of the sum will have to have one decimal place. The result of the square root will also have one decimal place.

5 0

2 years ago

A 20 kg wagon is rolling to the right across a floor. A person attempts to catch and stop the crate and applies a force of 70 N,

Serggg [28]

Answer:

1.736m/s²

Explanation:

According to Newton's second law;

$\sum F_x = ma_x\\$

$Fm - Ff = ma_x\\$ where;

Fm is the moving force = 70.0N

Ff is the frictional force acting on the body

$Ff = \mu R\\Ff = \mu mg\\$

$\mu$ is the coefficient of friction

m is the mass of the object

g is the acceleration due to gravity

a is the acceleration/deceleration

The equation becomes;

$Fm - Ff = ma_x\\Fm - \mu mg = ma\\$

Substitute the given parameters

$Fm - \mu mg = ma\\70 - 0.18(20)(9.8) = 20a\\70-35.28 = 20a\\34.72 = 20a\\a = \frac{34.72}{20}\\a = 1.736m/s^2\\$

Hence the deceleration rate of the wagon as it is caught is 1.736m/s²

7 0

3 years ago

When we use an analogy that represents the expanding universe with the surface of an expanding balloon, what does the inside of

svetlana [45]

Answer: When we use an analogy that represents the expanding universe with the surface of an expanding balloon, what does the inside of the balloon represent? The inside of the balloon does not represent any part of our universe.

7 0

2 years ago