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MArishka [77]
2 years ago
10

This image to the left is a simple circuit. What part of the circuit is considered the “source”?

Physics
1 answer:
Vsevolod [243]2 years ago
3 0

Answer:

The battery it consider as one of the circuits elements.

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Explain why it takes much more effort to
natali 33 [55]

Answer:

Mass Kinetic Energy and Jules

Explanation:

The train in question is  big and heavy and a car is decently heavy but say a train moving at 55 mph can plow through a car and a car driving at 55mph driving at a train will be stopped dead in its tracks. This is because newtons laws of motion specifically an object in motion will stay in motion unless its opposed. The train also has a payload behind it meaning it hurts with force while a car doesn't have to much mass behind it. The train takes loner to stop for as it's acceleration as well as it's deceleration are very slow because its huge and takes a lot of force to stop it while a car is very centralized and compact when it comes to weight and its brakes are usually effective at stopping at 55 mph in about 2 to 6 seconds while a train might stay moving for a good 35 seconds. The force behind the train is immense for as even if the wheels don't spin at all the train will still move since the force behind it is great and a cars tires have a lot of grip and not a lot mass which plays into the force the car has so it can stop simply.

6 0
3 years ago
Joan wants to test if salt lowers the temperature at which water boils.
ohaa [14]
In order to build a hypothesis, Joan should take an educated guess at what the effect of adding salt to the water will be on the water's boiling point. For example, the hypothesis may be,"The boiling point will increase". This hypothesis is one that can be verified or rejected via experimentation. The next step for Joan would be to set up an experiment to test this hypothesis. 
6 0
3 years ago
Read 2 more answers
Calculate the average speed of an airplane that traveled 1,100 miles in 3.5 hours
Ivan

Answer:

314.29 m/hrs

Explanation:

v = d / t

v = 1100 m / 3.5 hrs

v = 314.29 m/hrs

Note that I around the answer to the nearest hundredth. Hope this helps, thank you :) !!

3 0
3 years ago
calculate the percentage contraction of a rod moving with a velocity of 0.8c in a direction inclined at 60° to its own length​
hram777 [196]

Answer:

Let lo be the length of the rod in the frame in which it is at rest and s' is the frame which is moving with a speed 0.8c in a direction making an angle 60° with x-axis. The components of lo along and perpendicular to the direction of motion are lo cos 60° and lo sin 60° respectively.

Now length of the rod along the direction of motion

= lo cos 60°_/1-(0.8) 2/c2

= lo/2×0.6

= 0.3 lo.

Length of the rod perpendicular to the direction of motion.

= lo sin 60°

=_/3/2 lo

Length of moving rod

l = [(0.3lo)2+{lo_/3/2} 2] 1/2

= 0.916 lo.

Percentage contraction

= lo-0.916lo/lo×100

= 8.4%.

Explanation:

<h2><u><em>Brainliest?</em></u></h2>
4 0
3 years ago
What are two different ways to understand time? Explain and give examples.
Maru [420]
There are two different ways to understand time and these are:
A. What time is it?
B. How much time?
The examples of these two different ways are:
A. What time is it? The best example that would help us understand and know what time are the clock and the calendar. This gives us the exact hour, minutes and seconds. The calendar tells us the exact day, month and year.
B. How much time? This makes us understand how much time did it take from the starting time. An example for this would be a stopwatch.

6 0
3 years ago
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