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3 years ago

Which tools would sara us to find an irregularly shaped objects mass and volume A. a meter stick , a ruler , and water

1 answer:

4 0

I think it's D. Usually, to find the volume of an irregularly shaped object, you put it in water with a labeled beaker to measure how much the water rises. The balance would be used to measure the mass in grams.

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Pls do question 1 part d). tysm

Aneli [31]

Answer:

Explanation:

cuz its informing the length of 5 and weight on 20N

5 0

3 years ago

Which of the following types of energy originates below Earth's surface?

faltersainse [42]

Geothermal energy. Electromagnetic energy originates at the sun (think UV rays; they are part of the electromagnetic spectrum). Electrical energy technically can be anywhere, as long as there are positive and negative charges. Mechanical energy is like a generator or an engine; there is always something working to get things done/made. I hope this answer and these explanations helped!

6 0

3 years ago

Explain why a law is accepted as fact, but a theory is not

lakkis [162]

Because, they have a strong argument regarding it and, the judges, so it makes sense of what the society thinks, and what they are representing.

3 0

3 years ago

Read 2 more answers

A person investing p at a certain rate of simpl interest after 1 2 and3 years it amounted to 1.5 p 2.5 p respectively what will

Ulleksa [173]

Answer: It will amount to 11p after 20 years.

Explanation:

Formula :

Simple interest = Principal x rate x Time (i)

Amount = Principal + Interest

Amount = Principal + Principal x rate x Time

Amount = Principal (1+ rate x Time) (ii)

Given: Principal = p

After 1 year , amount = 1.5p

After 3 years , amount = 2.5p

From (ii)

$1.5p = p (1+r)\\\\\Rightarrow\ 1.5=1+r\\\\\Rightarrow\ 0.5= r\\\\\Rightarrow r= 0.5$

Amount after 20 years = p(1+ 0.5 x 20) = p(1+10)=11p

It will amount to 11p after 20 years.

7 0

3 years ago

If an object falls with constant acceleration, the velocity of the object must continually change by varying amounts, depending

Ierofanga [76]

Answer:

continually change by the same amount each second

Explanation:

We all are aware with the fact that a car speeds is increased when we put our feet on the accelerator. The rate at which the particle's velocity change with time is called its acceleration. If the particle's velocity changes with constant rate, then its rate is called the constant acceleration.

Since the basic units are meter and seconds. And the SI unit of velocity is $m/s$ and acceleration's SI unit is $m/s^{2}$

For example if the velocity is change from 2 to 4 m/s in 1 sec its acceleration is $2m/s^{2}$ and again its velocity is change with 4 m/s to 6 m/s will again give constant acceleration in 1 s is $2m/s^{2}$ .

3 0

3 years ago