12. A conducting 41.0 cm long rod makes contact with two metal rails which are fixed. There is a uniform magnetic field of 14.0 T that is directed out of the page as shown in the figure. What is the magnitude of the induced emf and the
direction of the induced current when the rod is moving at a speed of 3.15 m/s?

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.