Physics, 26.09.2019 16:30 summerhumphries3
Ahand-driven tire pump has a piston with a 2.50-cm diameter and a maximum stroke of 30.0 cm. (a) how much work do you do in one stroke if the average pressure is 2.40 ×10^{5} 5 n/m^2 2 ? (b) what average force do you exert on the piston, neglecting friction and gravitational force?
Answers: 3
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Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
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Ahand-driven tire pump has a piston with a 2.50-cm diameter and a maximum stroke of 30.0 cm. (a) how...
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