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Early one October, you go to a pumpkin patch to select
Chapter 7, Problem 6P(choose chapter or problem)
Problem 6P
Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 3.2-kg pumpkin to a height of 1.2 in, then carry it 50.0 m (on level ground) to the checkout stand. (a) Calculate the work you do on the pumpkin as you lift it from the ground. (b) How much work do you do on the pumpkin as you carry it from the field?
Questions & Answers
QUESTION:
Problem 6P
Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 3.2-kg pumpkin to a height of 1.2 in, then carry it 50.0 m (on level ground) to the checkout stand. (a) Calculate the work you do on the pumpkin as you lift it from the ground. (b) How much work do you do on the pumpkin as you carry it from the field?
ANSWER:
Part (a)
Step 1 of 3:
You lift a pumpkin from the ground to your height. The mass of the pumpkin is given. We are going to find the work done to lift the object.
The mass of the pumpkin m = 3.2 kg
The acceleration due to gravity g = 9.81 m/s2
The height of the pumpkin h = 1.2 m