A man wishes to swim accross a river 600m wide .If he can at the rate of 4km/h in still water and the river flows at 2km/h .Then in what direction must he swim to reach a point exactly opposite to the starting point and when will he reach it ?​

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j