8 s
4 s
16 s
10 s
Correct answer is B
for a body projected at an angle θ to the horizontal, the time of the flight is given by T = (2u sin θ)/g =(2x 40)x sin (30)/10 =(2 x 40) x (0.5)/10 = 4.0secs.
A battery of e.m.f. 12.0V and internal resistance0.5Ω is connected to 1.5Ω and 4.0...
A capacitor 8μF is charged to a potential difference of 100V. The energy stored by the capacit...
The volume of an air bubble increases from the bottom to the top of a lake at constant temperature b...
The distance between two successive trough of a wave is 0.4m. If the frequency of the source is 825H...
In a series R-L-C circuit at resonance, the voltages across the resistor and the inductors are 30V a...
Which of the following curved surfaces will produce a real image? I. Concave mirror II. Convex mirro...
The volume of 0.354g of helium at 273°C and 114cmhg of mercury pressure is 2667cm3. Calcula...
A motorcyclist, passing a road junction, moves due west for 8 s at a uniform speed of 5ms-1. He then...
Which of the following sources of energy is/are exhausible? i. Solar ii. Fossil fuels iii. Tidal pow...
The fig above shows a conductor PQ carrying a current I in the direction shown. At a particular posi...
Microsoft Office Questions and Answers
Verbal Reasoning Questions and Answers
Data Interpretation Questions and Answers
Typing Speed and Accuracy Test
Situational Judgement Questions and Answers
Quantitative Reasoning Questions and Answers
Puzzles Questions and Answers
Abstract Reasoning Questions and Answers
Personality Test
Numerical Reasoning Questions and Answers
Logical Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
See all →