I think the correct answer from the choices listed above is the second option. The difference between speed and velocity would be that speed <span> requires distance. Velocity requires displacement. Speed only has a magnitude while velocity is a vector quantity which means it has direction and magnitude.</span>
Energy added = mass*specific heat* rise in temperature.
= 5 * (60-50) * 4.18
= 50*4.18
= 209 J (answer).
Answer:
B. asking questions
Explanation:
She's "wondering" what brain freeze is. she's like asking a question is her thoughts. idek lol sorry if its wrong :)
A product...............................................................
Step 1: Convert the temperatures to K
-55 + 273 = 218 K = T1
30 + 273 = 303 K = T2
Step 2: Use the formula V1/T1 = V2/T2
590/218 = V2/303
V2 = 303 * (590/218) = 820.02 mL is the new Volume
