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beks73 [17]
3 years ago
6

Cynthia pushes a ball with a horizontal speed of 6.50 m/s off a bench with a height of

Physics
1 answer:
Igoryamba3 years ago
7 0
The answer is a because if you look really close
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What is the formula to determine the mass of the Earth?​
pychu [463]

Answer:

Here ya gooooooooooooooo

Explanation:

sefamchsgaevfdkahsgevfjahgswevfjahsgefvjashgvf

5 0
3 years ago
What is the series equivalent of two 1000 W resistors in series?
aleksandrvk [35]
The equivalent resistance when two resistors are connected in series is
the sum of their individual resistances.

The marking on the resistor that says "1000 W" is the rating that tells
how much power the resistor can safely dissipate, without overheating
or exploding. (The 'W' stands for 'Watts'.)  It doesn't tell us anything about
their individual resistances. So we don't have enough information to calculate
their series equivalent.
5 0
3 years ago
Explain why you can only change one variable in an experiment
ohaa [14]
The purpose of an experiment is to LEARN the EFFECT of something.

The way you do that is to CHANGE the thing and see what happens.

You can change as many things as you want to.  But If you change
TWO things and observe the result, then you don't know which one
of them caused the effect you see. 

Or maybe BOTH of them working together caused it.  You don't know. 

So your experiment is not really much good.  You need to do it again.
5 0
3 years ago
What are the invisible forces of nature
Tems11 [23]

Answer:

Gravity, Friction, Air resistance, magnetism, static electricity

Explanation:

3 0
3 years ago
Read 2 more answers
Which shows a decrease in fluid pressure? A. Water in a creek slows down as it enters a slow-moving river. B. Oxygen is compress
Ainat [17]

Answer:

Option D.

A fan is turned from high speed to low speed.

Explanation:

It is important to note that air is also a fluid.

In a system, static pressure of air increases with the speed of rotation of the fan. This is because when the speed of the fan is increased, the force with which it is pushing the air molecules is increased. Since pressure is a relationship between force and area, the pressure of the air molecules will be increased.

Conversely, when the speed of the fan is reduced, the priming force on the air molecules will be reduced, hence the pressure of the air will drop.

This makes option D the correct option

3 0
3 years ago
Read 2 more answers
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