A rock is held above the grounu'nas 100 J of energy. If the rock is dropped,
how much potentia...
Physics, 05.05.2020 05:47, meganwintergirl
A rock is held above the grounu'nas 100 J of energy. If the rock is dropped,
how much potential and kinetic energy does it have after it has fallen half
way to the ground? *
Answers: 2
Physics, 22.06.2019 19:50, fili20
The heater element of a 120 v toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. the resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 ω·m. the toaster is operated at a voltage of 120 v. (a) what is the power drawn by the toaster? (b) if the cost of electricity is 12 ¢ per kilowatt-hour, and it takes 2 minutes to toast bread, how much does it cost for toasted bread? (c) when the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to it’s resistivity when at operating temperature? explain.
Answers: 3
Physics, 23.06.2019 00:50, davelezow72301
Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?
Answers: 2
Mathematics, 04.06.2021 18:10
Mathematics, 04.06.2021 18:10
Mathematics, 04.06.2021 18:10