Abicycle wheel has a diameter of 63.2 cm and a mass of 1.89 kg. assume that the wheel is a hoop with all of the mass concentrated on the outside radius. the bicycle is placed on a stationary stand and a resistive force of 123 n is applied tangent to the rim of the tire. (a) what force must be applied by a chain passing over a 9.02-cm-diameter sprocket in order to give the wheel an acceleration of 4.43 rad/s? 880.35 (b) what force is required if you shift to a 5.62-cm-diameter sprocket? 1412.95x your response is off by a multiple of ten.

An charge with mass m and charge q is emitted from the origin, (x,y)=(0,0). a large, flat screen is located at x=l. there is a target on the screen at y position y(h), where y(h) > 0. in this problem, you will examine two different ways that the charge might hit the target. ignore gravity in this problem. 1.assume that the charge is emitted with velocity v(0) in the positive x direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive y direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l. 2.now assume that the charge is emitted with velocity v(0) in the positive y direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive x direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l.