4ms−2
6ms−2
8ms−2
10ms−2
Correct answer is D
v(t)=(3t2−2t)ms−1
a(t)=dvdt=(6t−2)ms−2
a(2)=6(2)−2=12−2=10ms−2
Express 23−√7 in the forma+√b, where a and b are integers....
For what values of m is 9y2+my+4 a perfect square?...
A function f is defined by f:x→x+2x−3,x≠3.Find the inverse of f&...
If α and β are the roots of 2x2−5x+6=0, find the equation whose roots ...
If α and β are the roots of 3x2 - 7x + 6 = 0, find \frac{1}{α} +...
If m and ( m + 4) are the roots of 4x^2 - 4x - 15 = 0, find the equation whose roots are 2 m and...
A body is acted upon by forces F_{1} = (10 N, 090°) and F_{2} = (6 N, 180°). Find th...
Three forces, F_1 (8N, 030°), F\(_\2) (10N, 150° ) and F\(_\3) ( KN, 240° ...