P (momentum) = mass x velocity
p = .5 x 20
p = 10
The sources of error that could account for any differences between calculated values and the accepted values are approximation of values during calculation and Incorrect reading of temperature changes.
The given parameters:
- Specific heat of water = 4186 J/kg
<h3>What is specific heat capacity?</h3>
- This is quantity of heat required to raise the temperature of 1 kg of the substance by 1 kelvin.
The source of error that could account for any differences between calculated values and the accepted values include;
- Approximation of values during calculation.
- Incorrect reading of temperature changes.
Learn more about specific heat capacity of water here: brainly.com/question/16559442
C. the hockey puck will accelerate and continue moving in a straight line
You can apply force to a large area over the fulcrum to have it multiplied on a smaller area on the other side of the fulcrum.