Answer:
Length of the Pendulum is 14.4 cm
Explanation:
Time period of simple pendulum is given by

time taken for one oscillation is

Pendulum length on the earth surface is

Length of the Pendulum is 14.4 cm
Answer:
Explanation:
Given
Airplane is flying with horizontally with a constant momentum during time interval 
Impulse is given by change in momentum, so there is no net impulse on the Plane because momentum is constant
(b) As there is no change in momentum therefore impulse of thrust and air drag is balanced i.e. both are equal in magnitude but act in opposite direction
No I do not agree. It is because work is done when force acting o a body displace or covers certain displacement in the direction of force applied .
Answer:
B.) Visit a healthcare professional
Explanation:
Their judgement is much better than a friend's or your own.