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4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30 mi/hr at the point shown. a riw 2501g6 owann woy loo 0 200 b7= b- Inoitelor orl u how ord bni () В bruo 1olevols erog nemow gpl 02 A h asd bns eS ol viioolov h/2 C Sdug orla bib onud 1sdw2stom E doco ons 2Tooft 2'1oq la sr l (A A)Given that h = 20 meters is also the horizontal distance between points A and B, make a plot of the potential energy vs. horizontal distance that includes axes with numbers and units.p1o1 210 B) Make a plot of the kinetic energy of the coaster vs. horizontal distance that includes axes with numbers and units. MOLKS BA poM wncps wo C) Calculate its velocity at point B. 10 30101 Iemmonor 20ob sq nodsTslsosb s ganuC ( D) With the same initial condition of v, = 30 mi/hr, suppose the track does have friction and by the uctime the coaster reaches point B it has a speed of 15 mi/hr. How much work has the force of friction done from the initial point to this point? E) If it takes the coaster 10 seconds to go from its initial point to point B, what is the average power loss experienced by the coaster due to friction in Watts? 22olnoitort oi to qoi orb no booslq ai leo1 1s lleitini ,xod AE F) Explain why in these calculations, one does not need to account for work done by the normal force on the coaster. bnit wel bnoooa a'nolwoM bas mesib vbod soil c gnraU (A

4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30 mi/hr at the point shown. a riw 2501g6 owann woy loo 0 200 b7= b- Inoitelor orl u how ord bni () В bruo 1olevols erog nemow gpl 02 A h asd bns eS ol viioolov h/2 C Sdug orla bib onud 1sdw2stom E doco ons 2Tooft 2'1oq la sr l (A A)Given that h = 20 meters is also the horizontal distance between points A and B, make a plot of the potential energy vs. horizontal distance that includes axes with numbers and units.p1o1 210 B) Make a plot of the kinetic energy of the coaster vs. horizontal distance that includes axes with numbers and units. MOLKS BA poM wncps wo C) Calculate its velocity at point B. 10 30101 Iemmonor 20ob sq nodsTslsosb s ganuC ( D) With the same initial condition of v, = 30 mi/hr, suppose the track does have friction and by the uctime the coaster reaches point B it has a speed of 15 mi/hr. How much work has the force of friction done from the initial point to this point? E) If it takes the coaster 10 seconds to go from its initial point to point B, what is the average power loss experienced by the coaster due to friction in Watts? 22olnoitort oi to qoi orb no booslq ai leo1 1s lleitini ,xod AE F) Explain why in these calculations, one does not need to account for work done by the normal force on the coaster. bnit wel bnoooa a'nolwoM bas mesib vbod soil c gnraU (A

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4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30 mi/hr at the point shown. a rbiw 2501gs owann woy lood 0 200 b7 = b Anobelor orly uhow ord bni (O B bruo e 101evols n eog nemow gpl 02 AS notlud s 2orlauq bns ası bns ,eS ol viioolov h h/2 St8 291819loosb Sdaug orla bib onud 1edw.21stom E docs ons 2Tooft a'1oq la sri (A A)Given that h = 20 meters is also the horizontal distance between points A and B, make a plot of the potential energy vs. horizontal distance that includes axes with numbers and units.p101 210 B) Make a plot of the kinetic energy of the coaster vs. horizontal distance that includes axes with numbers and units. MOLKS BA pOM wncp wo C) Calculate its velocity at point B. 10 50101 Iemon or 2oob sq noidsrsloosb sru ganuC (a D) With the same initial condition of v, = 30 mi/hr, suppose the track does have friction and by the uctime the coaster reaches point B it has a speed of 15 mi/hr. How much work has the force of friction done from the initial point to this point? E) If it takes the coaster 10 seconds to go from its initial point to point B, what is the average power loss experienced by the coaster due to friction in Watts? a2olnoitot odli lo qoi orb no booslq ai J2o1 s llsitini ,xod AE F) Explain why in these calculations, one does not need to account for work done by the normal force on the coaster. bnit wel bnoooa a'nolwoM bas megsib vbod soit c gniaU (A
Transcribed Image Text:4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30 mi/hr at the point shown. a rbiw 2501gs owann woy lood 0 200 b7 = b Anobelor orly uhow ord bni (O B bruo e 101evols n eog nemow gpl 02 AS notlud s 2orlauq bns ası bns ,eS ol viioolov h h/2 St8 291819loosb Sdaug orla bib onud 1edw.21stom E docs ons 2Tooft a'1oq la sri (A A)Given that h = 20 meters is also the horizontal distance between points A and B, make a plot of the potential energy vs. horizontal distance that includes axes with numbers and units.p101 210 B) Make a plot of the kinetic energy of the coaster vs. horizontal distance that includes axes with numbers and units. MOLKS BA pOM wncp wo C) Calculate its velocity at point B. 10 50101 Iemon or 2oob sq noidsrsloosb sru ganuC (a D) With the same initial condition of v, = 30 mi/hr, suppose the track does have friction and by the uctime the coaster reaches point B it has a speed of 15 mi/hr. How much work has the force of friction done from the initial point to this point? E) If it takes the coaster 10 seconds to go from its initial point to point B, what is the average power loss experienced by the coaster due to friction in Watts? a2olnoitot odli lo qoi orb no booslq ai J2o1 s llsitini ,xod AE F) Explain why in these calculations, one does not need to account for work done by the normal force on the coaster. bnit wel bnoooa a'nolwoM bas megsib vbod soit c gniaU (A
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