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Start learning 50% faster. Sign in nowEvery object gets attracted towards the earth. The force with which the earth attracts everything towards itself is called the gravitational force of earth. Newton’s 1st law of motion - An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force . Law of inertia - A body will preserve its velocity and direction so long as no force in its motion's direction acts on it. Buoyant force - B uoyancy refers to a force that arises from the pressure exerted on an object by a fluid (a liquid or a gas). Since it's a force, we call it the buoyant force.
I. x2 – 13x + 36 = 0
II. 3y2 – 29y + 18 = 0
I. p2 – 15p + 56 = 0
II. q2 + 2q – 63 = 0
I. 20y² - 13y + 2 = 0
II. 6x² - 25x + 14 = 0
I. 84x² - 167x - 55 = 0
II. 247y² + 210y + 27 = 0
What is the speed of the stream if a ship takes 15 hours to travel 240 km in calm waters, given that the ratio of its speed against the current to its s...
l). 2p² - 10p - 48 = 0
ll). q ² + 5q - 234 = 0
I. 3x2 – 16x + 21 = 0
II. y2 – 13y + 42 = 0
I. 7x² + 27x + 18 = 0
II. 19y² - 27y + 8 = 0
I. 2x² - 12x + 16 = 0
II. 4y² - 8y - 12 = 0
I. x2 + x – 42 = 0
II. y2 + 6y – 27 = 0