True or False: when measuring speed the distance must be considered to be rectilinear (in a line)

Physics

2 answers:

baherus [9]4 years ago

4 0

Answer:

I'm pretty sure it's False

Margaret [11]4 years ago

4 0

Answer:

I dont know if I'm correct but I have to go with False

Explanation:

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House current is 120 volts. If a light bulb runs a current of 10 amps, what is the resistance?

nlexa [21]

Answer:

12 ohms

Explanation:

Ohm's Law tells the relationship between voltage, current, and resistance.

It can be written in three different ways, depending on which ones you know,

and which one you want to find.

Here's the one we need:

Resistance = (voltage) divided by (current)

= (120 V) / (10 Amp)

= 12 ohms .

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Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. What is the force exerted

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3 years ago

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In zoes egg experiment which two forces are balanced to keep it from hitting the pan

alexgriva [62]

Answer:

The forces of push and pull

Explanation:

In the egg drop experiment, the egg is balanced on top of a toilet paper tube and balanced on a pan. The pan itself is placed on top of a glass of water. When the experimenter uses his hands to push the pan, the force of gravity pulls the egg downwards making it move down, right into the glass of water.

So the two forces which are applied in opposite directions are;

1. The force of push applied horizontally by the hand when it pushes the pan away, and

2. The force of pull caused by gravity which makes the egg move vertically downwards.

3 0

3 years ago

PLEASE HELP!! WILL REWARD!!

Fudgin [204]

$velocity = \frac{displacement}{time}$

Displacement measures how far it is from the starting point and the final location, which in this case is the distance between Honolulu and Los Angeles. The difference between distance and displacement is that distance measures how far the object actually travels. For example, the airplane may not fly in a straight line and it may have detours, making the distance much greater than the displacement.

On the other hand, the plane could fly at different speeds at different periods of time. It will be so much more complicated if we have to calculate it. That's why this question only asks you to calculate the average velocity of the plane, ie. $\frac{total displacement}{total time}$