Answer:
nothing moves if anything other doesn't move it.
natural position of things is the resting
Explanation:
yeah that's it
B.Sunlight because and what do you not understand. I'll help you with it
Answer:
Magnification of a mirror is given by:
m= -v/u where v is the image distance and u is the object distance.
Also, m=h/h° where h is the object height and h° is the image height.
Magnification of lens: m= v/u
Answer:
3.2
Explanation:
Resistance=5 ohm
Length=4m
Cross sectional area=2.5 x 10
Conductivity = 1/ resistivity
=
Conductivity=4 /5 x 2.5 x 10
Conductivity=4/125
Conductivity=3.2x
Answer:
Explanation:
Given :
Thickness of board ,
Initial speed of bullet ,
Final speed of bullet ,
We know by equation of motion.
( all sign have their usual meaning )
Putting all given values we get :
Hence, this is the required solution.