Asidewalk has a length of 75.00 m. how many inches is this? (hint: you need
to use two unit conversion fractions. 1 cm equals about 0.3937 inches.)
a. 4520 inches
b. 0.2953 inches
c. 2953 inches
d. 19,050 inches

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?