Asteel water tank contains 400 l of water when filled to the top at 20 c. determine the minimum diameter of the 300 mm long expansion tube required if the m (neglect any thermal expansion of the tube.) asteel= 12x10^-6 1/k ywater= 400x10^-6

(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.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)