A straight wire 40 cm long , moves at a constant speed of 15.0 m/s perpendicular to a 0.40 T magnetic field . What is the induced EMF in the wire? Note : EMF=BVL sinθ

A. 4.2 v

B. 42.0 v

C. 2.40 v

D. 40.0 v

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?