A circular coil of 16 turns of radius 2c m is in a uniform magnetic field of 4000 G in the positive x- direction. Find the flux through the coil for the following unit vectors perpendicular to the plane of the coil. (a) →n=^ı
(b) →n=^ȷ
(c) →n=(^ı+^ȷ)/√2
(d) →n=^k
(e) →n=0.6 ^ı+ 0.8 ^ȷ

The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.