Use Newton's second Law of Motion to calculate how much force would be necessary to move a 100kg object at an acceleration of 2 m/s2.

Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?

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

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?