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3 years ago

Which of the following best defines volume?

2 answers:

5 0

"<span>The amount of space that a sample of matter takes up" is the one among the following choices given in the question that best defines volume. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your desired help.</span>

erma4kov [3.2K]3 years ago

5 0

Answer:

C. The amount of space that a sample of matter takes up.

Explanation:

Volume is defined as the 3 dimension shape which is enclosed by a closed surface. It is defined that the space which is occupied by the substance.

The volume is defined in the cubic units.

The volume of container generally is the classification of the amount of space which the substance hold rather than the space which is displaced by the container itself.

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A sailboat starts from rest and accelerates at a rate of 0.21 m/s^2 over a distance of 280 m. find the magnitude of the boat's f

sasho [114]

We use the kinematic equations,

$v=u+at$ (A)

$S= ut + \frac{1}{2} at^2$ (B)

Here, u is initial velocity, v is final velocity, a is acceleration and t is time.

Given, $u=0$ , $a=0.21 \ m/s^2$ and $s= 280 m$ .

Substituting these values in equation (B), we get

$280 \ m = 0 +\frac{1}{2} (0.21 m/s^2) t^2 \\\\ t^2 = \frac{280 \times 2}{0.21 } \\\\ t= 51.63 \ s$ .

Therefore from equation (A),

$v = 0 + (0.21) \times (51.63 s)= 10.84 \ m/s$

Thus, the magnitude of the boat's final velocity is 10.84 m/s and the time taken by boat to travel the distance 280 m is 51.63 s

8 0

3 years ago

Why is the use of scientific names important in biology?

Dafna11 [192]

Scientifc names are important because they allow people around the world to communicate accurately about animal species.

7 0

3 years ago

After each charging, a battery is able to hold only 99% of the charge from the previous charging. The battery was used for 5 hou

Aloiza [94]

Answer:

500 hours

Explanation:

The sum of total hours over its lifetime will be given by

$T=\frac {T_o}{1-r}$

Where T is total time, r is rate in decimal and To is the original charge hours. Substituting the original charge hours with 5 hours and rate as 0.99 then the time will be

$T=\frac {5\ hours}{1-0.88}=500\ hours$

Therefore, the time is equivalent to 500 hours

7 0

3 years ago

Three resistors with the values of R_1, R_2, and R_3 are connected in parallel. Which of the following expresses the total resis

bagirrra123 [75]

Answer: Option d.)

R_eq = (1/R_1 + 1/R_2 + 1/R_3)^-1

Explanation:

Since, there are three resistors connected in parallel, the reciprocal of the total resistance of the resistor combination (R_eq) is obtained by adding the reciprocal of each resistance.

i.e 1/R_eq = (1/R_1 + 1/R_2 + 1/R_3)

So, R_eq = (1/R_1 + 1/R_2 + 1/R_3)^-1

Thus, the total resistance (R_eq) is equal to the inverse of the sum of the reciprocal of each resistance.

3 0

4 years ago

A baseball is thrown 50.0m in 3.0s, what is the average speed of the baseball? Calculated answer is 16.666667! What is the corre

castortr0y [4]

Answer:

20m/s

Explanation:

Given parameters:

Distance of throw = 50m

Time = 3s

Unknown:

Average speed = ?

Solution:

Average speed is distance divided by time;

Average speed = $\frac{distance }{time}$

Insert the parameters and solve;

Average speed = $\frac{50}{3}$ = 16.66667m/s = 20m/s

5 0

3 years ago