Welding, cutting, or heating in any enclosed spaces involving which of the following metals should be performed with local exhaust ventilation or employees should be provided air line respirators:

In the figure, a 700-kg crate is on a rough surface inclined at 30°. a constant external force p = 5600 n is applied horizontally to the crate. as the force pushes the crate a distance of 3.00 m up the incline, the speed changes from 1.40 m/s to 2.

A microfarad capacitor is charged via a 12v battery. there is 1 kohms resistor in series with the capacitor. how much current is flowing in the circuit after 1 second?

Light has both a wave and a particle nature. Particles have a wave nature as well, and therefore. A. Their mass is not well defined. B. Their position can not be specified with absolute precision. C.

In which scenario does radiation occur

Order the seven basic spectral types from hottest to coldest.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

According to bohr's theory, how do electrons move around the nucleus

On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling.

How long will it take you to swim 100 meters if you swim at a speed of 12.5 m/s?

What are the two factors that determine an objects gravitational potential energy