Physics, 17.10.2021 03:20 beesbutterflyqueen
How much electrical energy (in kWh) is needed to heat the water in a well-insulated electric hot water heater of capacity 40gal from 20° C to 50° C (68° F to 122° F)
Answers: 2
Physics, 22.06.2019 05:00
Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?
Answers: 1
Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 22.06.2019 16:40
On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units
Answers: 1
How much electrical energy (in kWh) is needed to heat the water in a well-insulated electric hot wat...
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