Robert is accelerating a cart at the rate of 2.2 meters/second2. if the mass in the cart is doubled, and the net force is also doubled, what is the final acceleration? a. the acceleration is halved. b. the acceleration remains the same. c. the acceleration is doubled. d. the acceleration becomes zero. e. the acceleration is quadrupled.

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?

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity