5000 calories Helps :)
Answer : Heat required, Q = 5000 cal
Explanation :
It is given that,
Specific heat of water, c = 1 calorie/gram °C
Mass of water, m = 500 grams
Change in temperature,
We have to found the amount of heat required. Mathematically, it can be written as :
Q = 5000 cal
So, the correct option is (B) " 5000 cal ".
Hence, this is the required solution.
Answer:
D. All of the above
Explanation:
Kriss go Brrrrrrrrrrr
The boat's velocity relative to Earth is 3.91 m/s.
Given;
speed of ferry due north, = 2.5 m/s
speed of the river to the east, = 3.0 m/s
The boat's velocity relative to Earth is given by;
Therefore, the boat's velocity relative to Earth is 3.91 m/s.