A small object of mass 50 g is released from a point ...
A small object of mass 50 g is released from a point A. Determine the velocity of the object when it reaches a point B, a vertical distance of 30m below A. [g = 10 ms−2
1.5 ms−1
6.0 m s−1
17.3 m s−1
24.5 m s−1
Correct answer is D
v = ?, u = 0, a = 10, s = 30
V² = U²+2as
V² = 0 + 2 * 10 * 30
V² = 0 + 600
V = √600
V = 24.5m/s
Which of the following will reduce the frequency of oscillation of a simple pendulum? ...
I. Density of the liquid. II. Acceleration due to gravity. III. Type of container of the liquid. ...
Which of the following obeys ohms laws? ...
The working principle of a pressure cooker is based on the ...