The diagram below represents the forces acting upon a leftward-moving object. Each arrow represents a force; the length of the arrow represents the strength of
the force.
Is this a speeding up, slowing down, or constant speed motion?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?