rayan81
rayan81 rayan81
  • 01-02-2021
  • Physics
contestada

1. How much thermal energy does a 2kg steel block
(c=450J/kg°C) lose when it cools from 300°C to 20°C?

please help me and show the working out. ​

Respuesta :

maya1368
maya1368 maya1368
  • 01-02-2021
That’s really rude you just typed in a bunch of letters to get points
Answer Link

Otras preguntas

Determine which of the following are the solutions to the equation below. x2=13 A. +/13 B.+/26 C.26 D.13
plz help with # 5 pic below!!!
16. At the same time a 10-foot pole casts a 22-foot shadow, a nearby tree casts a 33-foot shadow. How tall is the tree?
what do they have in common?
Collins has a part-time job as a dog walker. The table below shows the amount of money Collins earned for different numbers of hours of work: Collins' Earnings
Multiplying Fractions - Make sure you reduce your fractions 5/6 x 3/10 = 2/3 x 6/7 =
what to do after a wildfire
write a function in terms of t that represents the situation. A stock valued at $100 decreases in value by 9.5 % each year. y =
Chris says that the expression 4n - 2 can be written as 2(2n - 1). Do you agree? Explain your answer.
What is the explicit rule for the arithmetic sequence? 20.5, 16, 11.5, 7, 2.5, ...