1. A worker tosses bags one by one to a coworker on a scaffold 2.15 m above his location. Each brick is in flight for 1.8 s. Indicate the direction with the sign of your answer. A. What is the initial velocity of the bags thrown?
B. What is the velocity when they are caught?

What is the fate of the electrons that interact with a specimen in an electron microscope?

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.