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

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow