Which molecule has charges that are free to move around?

The net force on a vehicle that is accelerating at a rate of 1.5 m/s2 is 1,800 newtons. What is the mass of the vehicle to the nearest kilogram?

If jane is trying to escape a dragon and runs 34m north, then 38m east, what is her final displacement?. if the whole trip took 6.8 minutes what was janes average speed? what was her average velocity?

Two beams of coherent light are shining on the same sheet of white paper. when referring to the crests and troughs of such waves, where will darkness appear on the paper?

Units for "G" the gravitational constant. In just about every source, I see that the value for "G" is 6.67 * 10^-11 m³ * kg^-1 * s^-2 Is this the same as stating that G= 6.67 * 10^-11 m³ / (kg * s²) ?

A busy chipmunk runs back and forth along a straight line of acorns that has been set out between its burrow and a nearby tree. At some instant, it moves with a velocity of - 1.29 m/s-1.29 m/s. Then, 2.91 s2.91 s later, it moves with a velocity of 1.

In which of the following wave types is the particle motion perpendicular to wave motion? a: longitudinal wave b: p wave c: surface wave d: transverse wave

Convert 1.5 radian into milliradians.

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.