How does a circuit breaker protect a refrigerator? A. when the current is too high, it resettable switch opens the circuit

B. when the current is too high, a metal strip in the fuse melts and opens the circuit

C. when the resistance is too high, it resettable switch opens a circuit

D. when the resistance is too high, a metal strip in the fuse melts and opens the circuit

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value