A16 kg mass suspended from a light spring is replaced by a 4 kg mass. what factor changes the frequency of the oscillation? (a) 1/4
(b) 2.0
(c) 4.0
(d) 1/2
(e) does not change

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car