What characteristics of carbon makes it essential to living organisms
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Hope this helps!
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Acceleration = (change in speed) / (time for the change)
change in speed = (ending speed) - (starting speed)
change in speed = (10 m/s) - (2 m/s) = 8 m/s
Acceleration = (8 m/s) / (4 sec)
Acceleration = (8/4) (m/s²)
Acceleration = 2 m/s²
How is this different from a distance-time graph?
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Answer:
its devavtion is different from the distance changes process
Explanation:
Final answer:
A speed-time graph and a distance-time graph represent different aspects of motion. A horizontal line on the former indicates a constant speed (zero acceleration), while a straight, upward-diagonal line on the latter shows constant speed. A flat horizontal line on a distance-time graph shows no movement.
Explanation:
A speed-time graph and a distance-time graph each depict different aspects of motion. A horizontal line on a speed-time graph does indeed indicate constant speed or zero acceleration; the object is moving at a constant speed. However, a distance-time graph shows how the position of the object changes over time.
Let's take an example. If a car is traveling at a constant speed, on a speed-time graph, this would be represented by a horizontal line. The height of the line above the time axis represents the constant speed.
On a distance-time graph, a car moving at constant speed will be represented by a straight line with a positive slope. This is because the position of the car is continuously changing (it's covering distance), and at a constant rate. The slope of the distance-time graph gives us the speed of the car.
So, while a flat horizontal line in a speed-time graph indicates constant speed, a flat horizontal line in a distance-time graph would indicate no change in position, i.e., the object is not moving at all.
Learn more about Speed-Time vs Distance-Time Graphs here:
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keep itself running. It would be called an "Perpetual Motion" machine.
It would be completely useless, however, as anything but a curiosity
to be stared at. If you ever tried to make it actually DO anything besides
keep itself running, it would run down and stop, because you had taken
energy out of it.
What you need in order to turn the world upside down is a machine that
has 101% mechanical efficiency ... enough energy coming out of it to
keep itself running AND have a little bit left over, that you can take and
do other things with.
Such a machine would need to create energy inside itself, which
everybody knows is not possible.
distance : time = 20 km : 1/2 hour = 40 km/hour
B. 1. what quantities can be identified in the graph?
2. explain the meaning of the horizontal lines in the graph.
3. calculate agni's velocity during the race.
4. calculate the speed reached by agni at the end of the race.
on independence day, there was a bicycle race organized in a neighborhood. an observer took notes on the progress of one participant, named agni. who finally won the race... the collected data is shown in " graph of agni's bicycle track " as shown below
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v = Δx/Δt = (
B.
1. From the graph given, we can get an information such as the distance travelled, and the time given.
2. If the graph are horizontal, it means that the Agni's speed is zero because Agni doesn't move.
3. If the question ask the velocity during all time, we can say that the velocity is :
.
4. So, the final velocity can be found by looking the third part of the graph. So,..
Hope this will help you :)
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HOPE THIS HELPS :)