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Sauron [17]
3 years ago
11

A moving truck comes fast in rest when we apply brake than that of car, why?​

Chemistry
1 answer:
MatroZZZ [7]3 years ago
4 0
If a body has a mass and velocity than it definitely has momentum(mass x velocity). ... Both are moving with same velocity therefore by the formula we come to know ... A truck starts from rest with a constant acceleration.
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PLEASE HELP! How does one determine how much of a molecule is produced in a reaction?
kozerog [31]
I believe the answer is C !
7 0
3 years ago
A sailboat is pushed by a steady wind with a force of 4000 N. Its acceleration is 2
AveGali [126]

Answer:

<h2>2000 kg</h2>

Explanation:

The mass of the sailboat can be found by using the formula

m =  \frac{f}{a}  \\

f is the force

a is the acceleration

From the question we have

m =  \frac{4000}{2}  \\

We have the final answer as

<h3>2000 kg</h3>

Hope this helps you

6 0
3 years ago
Which of the following happens to the particles when the temperature of liquid water drops?
Vikki [24]

Answer:

The Kinetic energy decreases

Explanation:

because the speed of the molecules slows down.

6 0
3 years ago
What’s the IUPAC name
hichkok12 [17]

Answer:

Methyl pentanoate.

Explanation:

Hello there!

In this case, according to the given information, we can see the correct structure will be:

                             O

                              ||

CH3CH2CH2CH2COCH3

Which matches with the structure of an ester due to the -COO- functional group. In such a case, the first part of the name is in function of the right side of the ester, in this case, methyl, followed by the left side, pentanoate, as it has five carbon atoms and is an ester (similar to an inorganic salt, but organic) and therefore, the name will be methyl pentanoate.

Regards!

5 0
3 years ago
A 2.50-l volume of hydrogen measured at â196 °c is warmed to 100 °c. calculate the volume of the gas at the higher temperature
ivann1987 [24]

To solve this we assume that the hydrogen gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant pressure and number of moles of the gas the ratio T/V is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

T1 / V1 = T2 / V2

V2 = T2 x V1 / T1

V2 = (100 + 273.15) K x 2.50 L / (-196 + 273.15) K

<span>V2 = 12.09 L</span>

Therefore, the volume would increase to 12.09 L as the temperature is increased to 100 degrees Celsius.

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5 0
4 years ago
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