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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The frequency of the sound waves determine their pitch.
In a force diagram set-up, we name the angle of inclination theta, g as the acceleration due to gravity. In this case, the forces acting on the box going down is the weight itself impeded by the friction between the box and the inclined plane.
The weight of the box is expressed as mg sin theta
The frictional force is expressed as the normal force times the coefficient of friction that is expressed as mu g cos theta.
By Newton's second law of motion, F = ma = mg sin theta - mu g cos theta
Thus, a = g (sin theta - u cos theta