Answer:
700 J
Explanation:
Work = Force * Distance
Work = 350 N * 2 M = 700 J
Answer:
option (D) is correct.
Explanation:
According to the work energy theorem, the work done by all forces is equal to the change in kinetic energy of the body.
the kinetic energy of a body is directly proportional to the square of the speed of the body.
As the kinetic energy change, the speed of the body also change.
Option (D) is correct.
Explanation:
The faster a stream flows, the larger the size of particles it is able to transport.
Fast moving stream due to their velocity and momentum can exert more force and impact larger materials more causing them to move readily.
- The faster the speed of stream the larger the size of sediment it is able to transport.
- This why the edges of oceans contains very coarse particles whereas the still deeper waters are made up of fines.
- A stream is able to transport sediments in three forms:
- As solution in dissolved forms
- As bedload which made up of large boulders.
- As suspension
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Answer: not be able to stop in time to miss the object
Explanation:
The phrase "Over-driving your headlights" means that a person is driving at such a speed that the vehicle's stopping distance is greater than the maximum viewable distance with the headlights on.
When this occurs, it will be impossible for the vehicle to stop moving in time to avoid an object viewed by the driver in the range of his headlights.
This is a <u>dangerous driving practice</u> and can be avoided by driving at <u>reduced speeds</u>.
Answer:
The Electron
Explanation:
Electrons are how some atoms let electricity flow easily. If have closely bound electrons, then they are a bad conductor, or insulator. Atoms with loosely bound electrons allow electricity to easily flow, making these types of atoms great conductors. This is the case with most metals, where their electrons are very loose, making metals, like copper, great at transmitting electricity.