1.25ms-2
1.60ms-2
4.00ms-2
8.00ms-2
Correct answer is B
s = \(ut + \frac{1}{2}at^2\)
80 = 0 x 10 + \(\frac{1}{2}\) x a x 102
a = \(\frac{80}{50} = 1.6ms^2\)
the man was moving without uniform velocity
the speed was changing constantly
the velocity was uniform
it was an instance of motion in which both speed and velocity are the same
Correct answer is C
No explanation has been provided for this answer.
\(\frac{mr}{v}\)
\(\frac{mr^2}{v}\)
\(\frac{mv^2}{r}\)
\(\frac{mv}{r^2}\)
Correct answer is C
No explanation has been provided for this answer.
West African countries experience rapid population growth due to
Existence of birth control clinics
Early marriages
Adequate sex education in schools
Late marriages
Correct answer is B
No explanation has been provided for this answer.
2.0km
4.0km
10.0km
13.0km
Correct answer is B
AC = \(\sqrt{8^2 + 6^2}\) = 10km
Distance travelled = 8 + 6 = 14km
Difference = 4 - 10 = 4km