Calculate the effective value of g , the acceleration of gravity, at 6800 km , above the Earth's surface.

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?