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Can you please solve these questions and show each step and equation. Thank you! Skip question #1 and #17. WORK .__.____.__._________ wer the following question(5),
Can you please solve these questions and show each step and equation. Thank you!
Skip question #1 and #17.
WORK .__.____.__._________ wer the following question(5), showing your ulations. I. How much work is done if you raise a 4.0-N weight 1.3 m above the ground? 5. During a tugofwar. Team A does 6.65 x103 .1 of work in pulling Team B 7.00 m. What force was Team A exerting? A weightlifter raises a ISO-kg barbell to a height of 1.95 m. How much work is'done by the weightlifter in lifting the barbells? . A grocer lifts a 2.04-kg carton from the floor to at height of 0.75 m, carries it 24 :11 across the store, and places it on a shelf 1.2 m above the floor. How much work does the grocer accomplish? . A 187-kg refrigerator is loaded into a moving van by pushing it up a 8.0-m ramp at an angle of inclination of 14". How much work is done? POWER set the following question(s), showing your Iations. How much power is developed by an electric motor that moves a 400-N load a distance of 3 0 m in 9 5? An elevator lifts a total mass of 1.4 x103| kg, at distance of 33.0 m in 10.0 5.. How much power does the elevator demonstrate? A cyclist exerts a force of 14.0 N in riding a bike 275 m in 36.0 5. What is the cyclist's power? At what speed can a 140-W motor lift a 2800-N load? 10. A 140kg lawn tractor goes up a 20 incline of 14.0 min 2.6 5. What power is shown by the tractor? MECHANICAL, POTENTIAL, & KINETIC Answer the following question(s), showing your calculations. 11. Determine the mechanical energy of a 4.0-kg stone perched near the edge of a cliff 83.0 m high. Use the base of the cliff as the reference level. 12. Compare the kinetic energies of a biker and a bike (with a combined mass of 79.0 kg) traveling at 2.87 rats and the same biker and bike traveling twice as fast. 13. Which has the greater gravitational potential energy a 524-3 flower pot sitting on a 1.4-m high shelf or a 319-g ower pot sitting on a 2.3-m shelf? 14. A weight trainer lifts a 93:0-kg barbell from a stand- O.85 m high and raises it to a height of 1.66 m. What is the increase in the potential energy of the barbell? 15. A child having a mass of 35.0 kg is on a sled having a mass of 5.0 kg. If the child and sled traveling together have a kinetic energy of 180 J, how fast are they moving? 16. Calculate the kinetic energy of a proton. mass 1.63? >Step by Step Solution
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