Mr. nguyen decides to walk to school. how long does it take him to walk 1m if he is traveling with a constant velocity of 2m/s?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

What was the first instrument to ever record an earthquake?