Question

An object of mass 20 kg is pushed on a floor with a force of 40sin 2t N. Given that the

frictional force is 20 times the velocity and the object starts from rest, determine the

velocity of the object as a function of time.​

Answer 1

Answer:

Explanation:

Saline soils usually have an EC of more than 4 mmho cm-1. Salts generally found in saline soils include NaCl (table salt), CaCl2, gypsum (CaSO4), magnesium sulfate, potassium chloride and sodium sulfate.