A 0. 50-m long solenoid consists of 1000 turns of copper wire wound with a 4. 0 cm radius. When the current in the solenoid is 18 a, the magnetic field at a point 1. 0 cm from the central axis of the solenoid is.

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

The different forms of a gene for a given trait are called .

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?