The answer, using an indicator to measure the hydrogen ion concentration of a solution, is correct
earth still is not solid ... core is molten ... volcanoes, sea is liquid
at v v v beginning was gas ????
3
The amplitude of oscillations has no effect on their time period.
Answer:
b. is the correct answer ....
Answer:
Explanation:
Given
height from which ball is dropped
and it rises to a height of
A person caught the ball in mid-way i.e. at a height of from pavement
time taken to reach the bottom is given by
where y=displacement
u=initial velocity
a=acceleration
t=time
here initial velocity is zero i.e.
Similarly to reach of height time taken is
The ball is caught in mid-way i.e. ball travel a distance of
time taken is
total time taken
total time =3.429 s