True or false: A friend tells you to walk 1 mile to get to their house. This is an example of a scalar quantity

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface