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Given that Retarding force, F = – 60 N Mass of the body, m = 25 kg Initial velocity of the body, u = 10 m/s2 Final velocity of the body, v = 0 Using Newton’s second law of motion, the retardation (a) produced in the body can be calculated as: F = ma – 60 = 25 × a ∴ a = −60/25 a = − 2.4 m/s2 Using the first equation of motion, the time (t) taken by the body to come to rest can be calculated as v = u + a t Therefore, t = -u/a = -12/-2.4 = 5 sec
In the following question select the answer pair that expresses a relationship most similar to that expressed in the capitalised pair.
Venerat...
Select the most appropriate SYNONYM of the bold word.
Some satirists are known for their trenchant style.
A) demure B) criticize C) shy D) vandalize
...Select the most appropriate antonym of the given word.
SPARSE
Belonging to or occurring in the present
A person who leaves their own country to settle permanently in another
While India has resumed (A) international flights, red tape left roughly 50 passengers stranded (B) for nearly 48 hours at Yangon airport as the b...
A situation or period of time in which a person who is starting a new job is tested and watched to see if that person is able to do the job properly
