ntA charge having q/m equal to 10raise to 8 C/Kg and with velocity 3*10 raise to 5 m/s enterz into uniform magnetic field B=0.3tesla at an angle 30^° with direction of field .
![If 2^(-m)\ xx1/(2^m)=1/4, then 1/(14)\ {(4^m)^(1//2)+\ (1/(5^m))^(-1)} is equal to 1/2 (b) 2 (c) 4 (d) -1/4 If 2^(-m)\ xx1/(2^m)=1/4, then 1/(14)\ {(4^m)^(1//2)+\ (1/(5^m))^(-1)} is equal to 1/2 (b) 2 (c) 4 (d) -1/4](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/1408795_web.png)
If 2^(-m)\ xx1/(2^m)=1/4, then 1/(14)\ {(4^m)^(1//2)+\ (1/(5^m))^(-1)} is equal to 1/2 (b) 2 (c) 4 (d) -1/4
![Question Video: Finding the Components of Two Forces from the Sum of Their Moments about Two Points | Nagwa Question Video: Finding the Components of Two Forces from the Sum of Their Moments about Two Points | Nagwa](https://media.nagwa.com/765139342129/en/thumbnail_l.jpeg)