Two bodies were thrown simultaneously from the same point at time t = 0, one straight up and other at an angle 30° with the horizontal with equal intial speed of 30 m/s. The magnitude of relative velocity of two bodies attime t=1swillbe(g=10m/s2) (1) 30 m/s (2) 20 m/s
(3)57m/s (4)105m/s

photocells convert light energy to electricity

the correct choice is a .

do not post any more test or exam questions on

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

your answer is, orbit around the nucleus