1.

4. An electron travelling with a velocity of 5 x 10 m/s,passes through an electricfield with an acceleration of 101m/s. How long will it take for the electron todouble its velocity?celeratee blood from rest to a velocity of

Answer»

Final velocity:v=u+at

t=v−u/a=2u−u/a

=u/a

=5×10^3/10^12

=5×10^-9 sec.

to take blood from a patient for blood test. explain how pressure help in it?

to take blood from a patient for blood test. explain how pressure help in it?



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