Checkpoint 1 Three cells, each of emf 1,5 y, are connected in series to a 15 2 light bulb. The current in the circuit is 0,27 A. Calculate the internal resistance of each cell.​

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?