Answer this and will award brainliest !!

i. 1,350 calories

j. 992 calories

k. 235.6 calories

2. Calories of energy into water = (amount of water, in grams) x (change in the water's temperature, in °C)

3.a. 840 calories

3.b. 840 calories

4. 80°C

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

read more on -

the higher the current the higher the mag field around it the higher the influence on the compass