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olga55 [171]
3 years ago
10

How do you find the density of a substance?

Physics
1 answer:
Feliz [49]3 years ago
5 0

To find the density of any object, you need to know the Mass (grams) of the object, and its Volume (measured in mL or cm³). Divide the mass by the volume in order to get an object's Density.
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A force is a push or a pull. Under the right circumstances, anything can exert a force.
Sliva [168]

Answer:

Explanation:

the force that you applied caused the notebook to move.

the force applied on the notebook by the table causes it to stop moving.

this is because after sometime the book uses up the force and later the force you applied is less than that of the force by the table.

7 0
4 years ago
You can describe the of an object by saying it is moving in a straight line or it curved
Serga [27]
My answer -

You can tell the speed of a car at any instant by looking at curved path but it does not move with the average speed of any object moving in a straight line.

P.s

Happy to help you have a AWESOME!!!! day ^-^



8 0
3 years ago
What part of that antonym determines if it will combine or break apart from another substance
emmasim [6.3K]
<h2>Answer</h2>

The <u>electron affinity in chemical reaction</u> decides the formation of breakdown of substance

<h2>Explanation</h2>

Within the chemical reactions, different reactants are come together to make the new compound to complete up to the reaction. The reaction is based on the stability of reactants and the electron affinity of these reactants. The oxidation and reduction process within the reaction is also the main reason to combine or break the substance. For example

H_2 + F_2 -------> 2HF

The hydron has the ability to lose electron and fluorine has the ability to gain an electron. The strong or weak electron affinity of this element makes the new compound HF.

3 0
3 years ago
A Chinook salmon can jump out of water with a speed of 6.70 m/s6.70 m/s . How far horizontally dd can a Chinook salmon travel th
aksik [14]

Answer:

R = 3.88 m

Explanation:

As the Chinook salmon leaves the water till it gets back into the water it is performing a projectile motion with the following parameters:

V₀ = Launch Speed = 6.7 m/s

θ = Launch Angle = 29°

R= Range of Projectile= Horizontal Distance Covered by Chinook salmon= ?

The value of the range of a projectile is given by the following formula:

R = (V₀² Sin 2θ)/g

R = [(6.7 m/s)² Sin {(2)(29°)}/(9.8 m/s²)]

R = [(6.7 m/s)² Sin (58°)/(9.8 m/s²)]

<u>R = 3.88 m</u>

8 0
4 years ago
Solar cell A produces 100 joules of energy, when a light source is shown on it for 3 minutes. Solar cell B produces 200 joules o
ella [17]

Answer: (B). Solar cell B, because it generates more power.

Explanation:

Given that,

For solar cell A

Energy = 100 Joules

Time = 3 minutes = 180 sec

Power of cell A

Power = Energy/Time

P = \dfrac{100}{180}\ Watt

P = 0.55\ Watt

For solar cell B

Energy = 200 joules

Time = 5 minutes = 300 sec

Power of cell B

Power = Energy/Time

P = \dfrac{200}{300}\ watt

P = 0.66\ Watt

Hence, Solar cell B, because it generates more power.

3 0
4 years ago
Read 2 more answers
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