Questions for 1.21 physics lab report

Is there any terminal identification mark for rheostat as positive, negative?

What type of energy transfer occurs through light or electromagnetic waves?

A vibrating tuning fork of frequency 512 Hz is held over a water column with one end closed and the other open. As the water level is allowed to fall, a loud sound (resonance) is heard at specific water levels.

What are wind and water erosion not likely to affect

Which is not an example of a system with a convection current? A. a hot oven B. an erupting earthquake C. a windy rainstorm D. an electric light

Which agent of weathering breaks down limestone statues?

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?

Earthquakes along the subduction zones near Sumatra and Chile are some of the strongest in the world.

What number is between 2000 and 2500

If a car changes its velocity from 32 km/hr to 54 km/hr in 8.0 seconds, what is its acceleration?