Physics, 05.05.2020 09:03 brenyasanders6238
A car driver takes a total of two hours to make a journey of 75 km. She has a coffee
of half an hour and spends a quarter of an hour stationary in a traffic jam. At what
erage speed must she travel during the rest of the time if she wants to complete the
journey in the two hours?
Answers: 2
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
Answers: 3
Physics, 22.06.2019 15:50
An object with initial temperature 130 β f is submerged in large tank of water whose temperature is 50 β f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = β 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
Physics, 22.06.2019 17:10
Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up
Answers: 2
A car driver takes a total of two hours to make a journey of 75 km. She has a coffee
of half an...
of half an...
Mathematics, 11.04.2020 00:32
Mathematics, 11.04.2020 00:32
History, 11.04.2020 00:32
Mathematics, 11.04.2020 00:32
Mathematics, 11.04.2020 00:32
History, 11.04.2020 00:32
Mathematics, 11.04.2020 00:32
English, 11.04.2020 00:33
Mathematics, 11.04.2020 00:33
Physics, 11.04.2020 00:33