A child sprays her sister with water from a garden hose. The water is supplied to the hose at a rate of 0.117 L/s, and the diameter of the nozzle is 5.01 mm. At what speed does the water exit the nozzle? v= m/s

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.