3 years ago

Describe the agronomic significance of the upper and lower plastic limits, and of the plasticity index?

1 answer:

4 0

Answer:It shows the size of the range of the moisture contents at which the soil remains plastic. In general, the plasticity index depends only on the amount of clay present. It indicates the fineness of the soil and its capacity to change shape without altering its volume.

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How many newtons of force are required to move a 54.87 kg object with an acceleration of 9.8 m/s/s?

vodka [1.7K]

Force equals mass*acceleration
F = ma

Given m = 54.87 kg, a = 9.8 m/s^2

F = (54.87)(9.8)
F = 537.726
F = 538 N

A force of al least 538 Newtons is required to move the object.

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2 years ago

A roller coaster is at the top of a hill and rolls to the top of a lower hill if mechanical energy is constant then on the top o

mafiozo [28]

The kinetic energy is greater on the second hill

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3 years ago

A large water tank is 3.70 m high and filled to the brim, the top of the tank open to the air. A small pipe with a faucet is att

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Now put PE into KE and we have to use the formula: