What is the dramatic increase in amplitude called when the frequency of forced vibrations on a body matches the bodys natural vibration frequency?

962

A coil of wire that produces a magnetic field is typically called a

994

What is the Unit to measure pressure?

951

Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)

951

What is the difficulty in making fusion based nuclear reactors?

904

sound frequencies below 16 hertz are usually referred to by scientists as:

912

Does a soccer ball go faster in the air on a cold or hot day?

946

Can a vector have a component equal to zero and still have a nonzero magnitude?

882

what are the passive two-wire elements?

2321

Explain what affect does electricity have on soil?

939

What is the difference between a lens and a mirror?

1016

Explain what instrument is used to measure volume?

937

Sir. I m a physics graduate ...how can i help in bank with my physics subject...kindly reply ...my id. Pshkumar.090@gmail.com...please

1990

Please define e.s.u. it is the unit of ...... It is equal to .....

2027

Explain what is a positron?

990