A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected.
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Answer:
Explanation:
The rectangular components of a vector having a magnitude v and angle θ are:
The golf ball has an initial speed of 75 m/s at an angle of 60 degrees.
The variables of the equations have the values:
v = 75 m/s
θ = 60°
Substituting into the formula:
Without specifying units and with precision to the hundredths place:
Answer:
C.
Explanation:
A meter is 8.56 centimeters longer than a yard. Something to keep in mind is that a meter is about 10% longer than a yard.
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Answer:
60 Amperes
Explanation:
current is the main factor, so current is measured in Amperes
The answer is:
A. They can be formed into wires.
B.They are shiny.
D. They are good conductors
E.can be easily shaped by hammering or pounding.
The explanation:
Let's see the characteristics of the most metals:
1) the most metals can be hit by a hammer and form a thin sheets without breaking and this called malleability.
for example: Aluminium and copper
2) They can form into a very thin wires and this called ductility
for example: silvar , Aluminium and copper.
3) The metal can conduct the heat and the electricity very easy and quick, this mean that the meals are good conductor for the heat and electricity.
4)The metals like gold can be used at jewellery because it is very shiny.
5) and answer C is wrong because most metals are solid at room temperature.