Carbon-zinc dry cells (sometimes referred to as non-alkaline cells) have an emf of 1.54 V, and they are produced as single cells or in various combinations to form other voltages. show answer No Attempt 50% Part (a) How many 1.54 V cells are needed to make the common 9 V battery used in many small electronic devices

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.