13
49
59
1
Correct answer is A
Differentiate distance twice to get the acceleration and then equate to get p.
s=7+pt3+t2
dsdt=v(t)=3pt2+2t
dvdt=a(t)=6pt+2
a(3)=6p(3)+2=8⟹18p=8−2=6
p=618=13
Forces F_{1} = (8N, 030°) and F_{2} = (10N, 150°) act on a particle. Find the horizo...
Find the coordinates of the centre of the circle 3x^2 + 3y^2 - 6x + 9y - 5 = 0...
A binary operation, \Delta, is defined on the set of real numbers by a \Delta b = a + b + 4....
Differentiate \frac{x}{x + 1} with respect to x. ...
A force of 230N acts in its direction 065^o. Find its horizontal component....
A fair die is tossed twice. What is its smple size? ...
The probabilities that Atta and Tunde will hit a target in a shooting contest are \frac{1}{6} an...
A and B are two independent events such that P(A) = \frac{2}{5} and \(P(A \cap B) = \frac{1}{15}...