Explain air resistance and the dimensions of the football, A football playe...

A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above the horizontal. What initial velocity is neede

Forces and nature,

Explain antinodes of standing waves, The points of maximum amplitude are ca...

The points of maximum amplitude are called as antinodes. At ends density and air pressure both are very low.

Majority and minority charge carriers , Majority and minority charge carrie...

Majority and minority charge carriers  A pure semiconductor has equal number of holes and electrons. But an extrinsic semiconductor has majority charge carriers. When a tri

Explain internal or external forces, Explain internal or external forces ...

Explain internal or external forces Forces can be internal or external. For instance the mutual attraction of atoms within a block of wood are known as internal forces. Somethi

Band theorey of solids, assignment on band theorey of solids

assignment on band theorey of solids

Effect on newton''s ring, Q. W hat will be effect on Newton's rings if; ...

Q. W hat will be effect on Newton's rings if; (i)      A little oil (µ = 1.65) is introduced between the lens (µ - 1.5) and the glass plate (µ = 1.75). (ii)    A Pla

Nuclear Physics, Calculate the luminosity for a beam of protons of 1uA coll...

Calculate the luminosity for a beam of protons of 1uA colliding with a stationary liquid hydrogen target 30cm long. Compare this to a typical colliding beam luminosity of 10e34 cm-

Micanite is a form of which type material, Micanite is a form of (A) B...

Micanite is a form of (A) Built up mica. (B) Hydrated potassium aluminium silicate. (C) Magnesium mica. (D) Calcium mica. Ans: Micanite is a form of Buil

What is intent by the expression constructive interference, In optics what ...

In optics what is intended by the expression "constructive interference." Answer: This is factual for any kind of waves. Any time you have coherent waves of the same kind