1. Calculate the force required to impart the car a velocity 30m/s in 10 sec. Starting form rest. The mass of the car is 1500kg

Sound waves are mechanical waves in which the particles in the medium vibrate ina direction parrallel to the direction of energy transport. what is another name of the type of wave that transfers energy in this way?

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease