3 years ago

The main difference between speed and velocity involves

1 answer:

4 0

Direction. Velocity is a vector that describes both speed and direction, while speed is a scalar that describes only speed regardless of direction.

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A toaster oven uses 65,000 joules of energy in 40sec to toast a piece of bread. What is the power of the oven?

storchak [24]

Answer:

Power = 1625 Watts

Explanation:

Given the following data;

Energy = 65,000 J

Time = 40secs

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Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

$Power = \frac {Energy}{time}$

Substituting into the equation, we have

Power = 65,000/40

Power = 1625 Watts

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3 years ago