Goggles, a lab coat, chemical gloves, and close- toed shoes
Answer: Mass of the object is 75 kg.
The answer is true. It tells me I have to have 20 characters.
Answer:
Explanation:
As we know that the position of maximum intensity on the screen is given as
here we know that
= wavelength
L = distance of the screen
d = distance between two slits
now we know that the position of 8th maximum intensity is same as that of 9th maximum on the screen
so we have
so here we have
Imagine an object is moving in one dimension on a number line, and for this we'll say that the numbers on the line are a metre apart. If the object moves from 2 m to 7 m, the change in position is 7-2=+5 metres. But if the object moves back from 7 m to 2 m, the change in position is 2-7=-5 metres. since
, and time is always positive, velocity will be positive in one direction and negative in the other direction.