Afreight train rolls along a track with considerable momentum. if it rolls at the same speed but hastwice as much mass, its momentum isa. zero. b. doubled. c. quadrupled. d. unchanged.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer