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Answer :
We are given:
- Mass of the bicycle, \( m = 25 \, \text{kg} \)
- Acceleration due to gravity, \( g = 9.8 \, \text{m/s}^2 \)
- Height of the hill, \( h = 3 \, \text{m} \)
The formula for potential energy is:
$$
PE = m \cdot g \cdot h
$$
Substitute the given values into the formula:
$$
PE = 25 \times 9.8 \times 3
$$
Carry out the multiplication step-by-step:
1. First, multiply \( 25 \) by \( 9.8 \):
$$
25 \times 9.8 = 245
$$
2. Next, multiply the result by \( 3 \):
$$
245 \times 3 = 735
$$
Thus, the potential energy of the bicycle is
$$
PE = 735 \, \text{Joules}
$$
Therefore, the correct answer is \(\boxed{735 \, \text{J}}\).
- Mass of the bicycle, \( m = 25 \, \text{kg} \)
- Acceleration due to gravity, \( g = 9.8 \, \text{m/s}^2 \)
- Height of the hill, \( h = 3 \, \text{m} \)
The formula for potential energy is:
$$
PE = m \cdot g \cdot h
$$
Substitute the given values into the formula:
$$
PE = 25 \times 9.8 \times 3
$$
Carry out the multiplication step-by-step:
1. First, multiply \( 25 \) by \( 9.8 \):
$$
25 \times 9.8 = 245
$$
2. Next, multiply the result by \( 3 \):
$$
245 \times 3 = 735
$$
Thus, the potential energy of the bicycle is
$$
PE = 735 \, \text{Joules}
$$
Therefore, the correct answer is \(\boxed{735 \, \text{J}}\).
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