Some regions of the world are capped with volcanic flows which are thousands of feet thick. true or false

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

Which planet do you think would be easiest for humans to colonize some day?