Physics, 21.01.2020 03:31 khoadominh2206
Acopper ornament has a mass of 0.0693 kg and changes from a temperature of 18 degrees celcius to 26 degrees celsius. how much heat energy did it gain? copper specific heat is 390 j/goc.
i've looked around for the answer key but the numbers have been changed. honestly lol you!
Answers: 2
Another question on Physics
Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
Answers: 1
Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Physics, 22.06.2019 03:00
Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
Answers: 2
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
You know the right answer?
Acopper ornament has a mass of 0.0693 kg and changes from a temperature of 18 degrees celcius to 26...
Questions
Chemistry, 20.11.2019 21:31
Mathematics, 20.11.2019 21:31
English, 20.11.2019 21:31
Spanish, 20.11.2019 21:31
Advanced Placement (AP), 20.11.2019 21:31
History, 20.11.2019 21:31
English, 20.11.2019 21:31
