1) -76.27
2)-119.47
3)-256.27
4)-87.07
Here’s the formula for the last one so you know how to do it. Hope this helps!!!
After looking around, I really can't find any chart. But you told me the distance covered and the time it takes to cover the distance, so I can calculate the speed by using a pretty simple formula ... it's actually the definition of speed, and it'll be useful to you if you memorize it:
Speed = (distance covered) divided by (time to cover the distance) .
With the numbers you gave in your question ...
Speed = (400 meters) / (20 seconds)
Speed = 20 meters/second
Answer: The centripetal force.
Explanation:
Refer to the figure below.
The centripetal acceleration of the object is
a = v²/r, directed toward the center of the circular path.
where
v = the tangential velocity
r = radius of the circular path
The centripetal force is
F = (mv²)/r
Answer:
option (a)
Explanation:
Maintaining distance while driving in traffic can avoid the chances of an accident.
When the driver is behind you is trying to pass you to avoid the collision you should maintain a distance greater than 3 sec.
Hence, option (a) is correct.
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Explanation:</u></h2>
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<h3>Potential:</h3>
- This refers to an object having energy running through it, but being stored. It hasn't quite been released yet.
- Ex: <em>Someone waiting to dive into a pool, when a whistle blows.</em>
<h3 /><h3>Kinetic: </h3>
- This refers to the energy going through an object but that energy is moving, it's been released.
- Ex: <em>A boy pedaling his bike atop a hill. </em>
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