4184 joules is one calorie
Answer:

Explanation:
1 ton = 907.2 kg
so here heat given by water = heat absorbed by the ice
so by energy balance we will have


so we have




Answer:
As the load increases the motor generally reduces rpm, as the happens the counter emf generated in the armature decreases, causing more current to flow to
Explanation:
D.) Nearly all light that strikes an "Opaque" <span>object will be absorbed by the object.
Hope this helps!</span>
Answer:
The new gravitational pull would be three times as strong as the first which would be 0.000000003 or 3 × 10^-9N.
Explanation:
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