An electron moves along the z-axis with vz=3.0×107m/s. As it passes the origin, what are the strength and direction of the magnetic field at the following (x, y, z) positions? a) (2, 0, 0)... Bx, By, Bz = ?
b) (0, 0, 1)... Bx, By, Bz = ?
c) (0, 2, 1)... Bx, By, Bz = ?

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Anybody wanna ? (picture included? )