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?

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

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)