Pre-Calc

Alexa is weighing a construction barrel up a ramp 4 feet long into the back of a truck. The barrel weighs 120 pounds and the ramp is 45 degrees from the horizontal. How much work is Alexa doing?

1. 👍 0
2. 👎 0
3. 👁 20
1. work done = PE gained = mgh
so, how high is the top of the ramp?

1. 👍 0
2. 👎 0

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