As the temperature increases, materials with
coefficients of linear
expansion increase a lot in size, while materials with small coefficients of
linear expansion increase a little in size,

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical