A runner Jogs with a velocity of 3m/s due north. She changes direction and jogs at the same speed due west. Explain whether her velocity has changed

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.