Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

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.

image text in transcribed
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

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Quantum Physics In The Nanoworld Schrödinger's Cat And The Dwarfs

Authors: Hans Lüth

2nd Edition

3319146696, 9783319146690

More Books

Students also viewed these Physics questions

Question

2. Avoid basing most of a report-card grade on one test.

Answered: 1 week ago

Question

2 What are the steps that can aid effective communication?

Answered: 1 week ago