Answer:
Option"B" is correct.
Explanation:
when a body move with constant velocity then acceleration is zero.
Answer: TheTroposphere contains 80% of the total gas in the atmosphere
C. Carrying a backpack to class
Answer: 4.5 V
Explanation:
Given
The voltage of each cell is 1.5 V
If they are connected end to end their potential added to give a higher potential i.e. 1.5+1.5+1.5=4.5 V
Answer:
4.3 cm
Explanation:
We are given that
Width,d=70.3

Wavelength,


We have to find the width in cm of the pattern.
The angle for the first minimum m=1


The width of the pattern=