Physics, 24.05.2020 03:59 maguilarz2005
A metal spoon is placed in one of two identical cups of coffee. After a few minutes the cup with the spoon has a lower temperature than the cup without the spoon. Which statement best explains this?
A. Energy is removed from the coffee mostly by conduction through the spoon.
B. Energy is removed from the coffee mostly by convection through the spoon.
C. Energy is removed from the coffee mostly by radiation through the spoon.
D. There is no energy transfer between the spoon and the coffee.
Answers: 3
Physics, 21.06.2019 15:00
Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n
Answers: 1
Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Physics, 22.06.2019 16:30
Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
Answers: 2
A metal spoon is placed in one of two identical cups of coffee. After a few minutes the cup with the...
Biology, 12.10.2021 09:10
World Languages, 12.10.2021 09:10
Geography, 12.10.2021 09:10
Physics, 12.10.2021 09:10
Mathematics, 12.10.2021 09:10
English, 12.10.2021 09:10
Social Studies, 12.10.2021 09:20
Social Studies, 12.10.2021 09:20
Social Studies, 12.10.2021 09:20
Mathematics, 12.10.2021 09:20