Consider a continuous helix with a radius r and pitch P. Show that the length traveled along one turn of the helix (contour length) is √(P^2+4π^2 r^2 ). Hint: Project the helix on to a cylinder and then unwrap the cylinder

=force × distance a. work b. velocity c. pressure d. momentum

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90

Which type of reaction is shown in this energy diagram ?