Physics, 24.06.2021 05:00 lilblackbird4
An electrical heating coil is immersed in 4.6kg of water 22°C. The coil, which has a resistance of 250Ω, warms the water to 32°C in 15min. What is the potential difference at which the coil operates?
Answers: 3
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 3
Physics, 23.06.2019 02:30
Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia
Answers: 1
Physics, 23.06.2019 20:30
When metals react what occurs in terms of their valence electrons ?
Answers: 1
An electrical heating coil is immersed in 4.6kg of water 22°C. The coil, which has a resistance of 2...
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