Why doesn't a transformer work with direct current? why is ac required?

How many times do we repeat a measurement? a) twice at the most b) three at the most c) at least three, more if necessary d) at least 10

On your way to the dance through there is some slow driving person in front of you so you slam on the gas going 30 mi/hr to 60 mi/he. Luckily your date brought a stop watch and told you the whole thing took place in 10s.

The acceleration of gravity is 9.8 m/s 2. After impact, the block slides 9.15 m before coming to rest. 84 g 10.4 g vbullet 94.4 g 9.15 m µ = 0.251 If the coefficient of friction between block and surface is 0.

1. Why does the water vapour in clouds condense? 2. Explain why you can see clouds but not see the water vapour in the air

A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.

Chocolate chip cookies or chocolate fudge cookies?

In regions where few species existed before or where species were wiped out what occurs?

If a person lives in china in which two hemispheres does he or she live

When the air in a submarine's huge air tanks is decompressed and it displaces the water in the ballast tanks with air, what does the submarine do? A. It sinks B. It floats C. It provides air to the passengers

The decomposition of a substance by an electric current is called