Answer: -1
Step-by-step explanation:
f(t) = -2t + 3
f(-2) = -2 x -2 + 3 [ substituting the value]
f(-2) = -4 + 3
f(-2) = -1
Answer:
37
Step-by-step explanation:
Answer:
The required specific heat is 196.94 joule per kg per °C
Step-by-step explanation:
Given as :
The heat generated = Q = 85.87 J
Mass of substance (m)= 34.8 gram = 0.0348 kg
Change in temperature = T2 - T1 = 34.29°C - 21.76°C = 12.53°C
Let the specific heat = S
Now we know that
Heat = Mass × specific heat × change in temperature
Or, Q = msΔt
Or, 85.87 = (0.0348 kg ) × S × 12.53°C
Or , 85.87 = 0.4360 × S
Or, S = 
∴ S = 196.94 joule per kg per °C
Hence the required specific heat is 196.94 joule per kg per °C Answer
Answer:
6
pls mark brainlest
Step-by-step explanation:
Answer:
stratified sampling
Step-by-step explanation:
Hope it will help
<h3><em>M</em><em>A</em><em>R</em><em>K</em><em> </em><em>A</em><em>S</em><em> </em><em>A</em><em> </em><em>BRAINLISTS</em><em> </em><em>P</em><em>L</em><em>E</em><em>A</em><em>S</em><em>E</em></h3>