2) Escribir en notación común
a- 6,24.10 -2 =
b- 0,24.10 -1 =
c- 4,523.10 4 =
d- 0,098.10 3 =

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

The ability to make things happen is also called a. heat b. force c. matter d. energy