Calculate the relative land area—that is, the amount of the surface not covered by liquids—of earth, the moon, venus, and mars. (assume that 70% of earth is covered with water.)

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Simple machines can a. increase force only b. decrease force only c. increase or decrease force