Question
8. Batman recharges his Bat-taser with 2.5M) of energy in 15 minutes How much Power does it draw from the mains? __
Answer
4
(318 Votes)
Julia
Veteran · Tutor for 9 years
Answer
### The power drawn from the mains is approximately
.
Explanation
## Step 1: Convert Energy to Joules### Convert the given energy from megajoules (MJ) to joules (J). Since
, we have:
## Step 2: Convert Time to Seconds### Convert the given time from minutes to seconds. Since
, we have:
## Step 3: Calculate Power### Use the formula for power,
, where
is energy in joules and
is time in seconds. Substituting the values:
## Step 4: Simplify the Expression### Simplify the fraction to find the power: