8) A vertical loop has a radius of 20.0 meters. a ) At what speed must the cart be travelling to experience a normal weight at the top of the loop?
b.) If this same speed is maintained throughout the loop, then what would their apparent weight be at
the boom of the loop ( g, 1 g, 2g, 2.5 g. etc.)

It may seem strange that the selected velocity does not depend on either the mass or the charge of the particle. (for example, would the velocity of a neutral particle be selected by passage through this device? ) the explanation of this is that the mass and the charge control the resolution of the device--particles with the wrong velocity will be accelerated away from the straight line and will not pass through the exit slit. if the acceleration depends strongly on the velocity, then particles with just slightly wrong velocities will feel a substantial transverse acceleration and will not exit the selector. because the acc

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km, a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?