C Intro X Sign x G resid X as Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 0 X Ceng X VA Mod X Cour X * Cour X + V X webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... 3 Google TRIP TO SPAIN Enroll - Apple Devell.. Settings Les liens de Fidel C... > > Other bookmarks POINTS -14 -14 -14 -14 -14 -14 -14 -14 -14 -/40 0.0% + Request Extension Assignment Submission & Scoring Assignment Submission For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Assignment Scoring Your best submission for each question part is used for your score. 1. [-/4 Points] DETAILS OSCOLPHYS2016ACC 7.4.P.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 3.50 x 10" kg subway train is brought to a stop from a speed of 0.500 m/s in 0.500 m by a large spring bumper at the end of its track. What is the force constant k of the spring (in N/m)? (Enter a number.) N/m Submit Answer 80#F Mostly cloudy Search O a T RX O W ENG 12:27 PM US 2/9/2023 5C Intro X Sign X G resid X add Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 0 X Ceng X VA Mod X Cour X * Cour X + V X G webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... 3 Google TRIP TO SPAIN Enroll - Apple Devell.. Settings Les liens de Fidel C... >> Other bookmarks 2. [-/4 Points] DETAILS OSCOLPHYS2016ACC 7.4.XP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 1.5 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown in the figure below. PE 30 J A 25 J 20 J 15 J D 10 J 5 J B X 2m 4m 6m 8m 10m (a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.) point B m/s point C m/s point D m/s (b) Determine the turning points for the mass. (Select all that apply.) 80.F Search O a T W ENG 12:28 PM A US 2/9/2023 5 Mostly cloudyC Intro X Sign x G resid X ads Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 [ X Ceng X VA Mod X Cour X * Cour X + V X A webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... > Other bookmarks 20 J 15 J 10 J 5 J B X 2m 4m 6m 8m 10m i (a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.) point B m/s point C m/s point D m/s (b) Determine the turning points for the mass. (Select all that apply.) point A O point B point C O point D point E BO Mostly cloudy Search O a T RX W ENG 12:28 PM A 5 US 2/9/2023C Intro X Sign x G resid X ads Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 [ X Ceng X VA Mod X Cour X * Cour X + V X webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... 3 Google TRIP TO SPAIN Enroll - Apple Devell.. Settings ) Les liens de Fidel C.. > > Other bookmarks 3. [-/4 Points] DETAILS OSCOLPHYS2016 7.4.WA.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You have a light spring which obeys Hooke's law. This spring stretches 3.28 cm vertically when a 2.30 kg object is suspended from it. Determine the following. (a) the force constant of the spring (in N/m) N/m (b) the distance (in cm) the spring stretches if you replace the 2.30 kg object with a 1.15 kg object cm (c) the amount of work (in ]) an external agent must do to stretch the spring 9.00 cm from its unstretched position Additional Materials Reading BO Search O a T O 12:28 PM W ENG US 2/9/2023 5 Mostly cloudyC Intro X Sign X G resid X as Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 0 X Ceng X VA Mod X Cour X * Cour X + V X - C A webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... > Other bookmarks 4. [-/4 Points] DETAILS OSCOLPHYS2016ACC 7.5.P.025. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) How high (in m) a hill can a car coast up (engine disengaged) if friction is negligible and its initial speed is 110 km/h? (Enter a number.) m (b) If, in actuality, a 750 kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 26.0 m above its starting point, how much thermal energy (in ]) was generated by friction? (Enter a number.) (c) What is the average force of friction (down the slope) if the hill has a slope 2.50 above the horizontal? (Enter your answer in N. Enter a number.) IN + 5. [-/4 Points] DETAILS OSCOLPHYS2016 7.5.WA.036. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 67.9-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then drops through a height of 1.63 m, and ends with a speed of 8.51 m/s. How much nonconservative work (in kJ) was done on the boy? KJ Additional Materials Reading 80.F Mostly cloudy Search O a T W ENG 12:28 PM US 2/9/2023 5C Intro X Sign X G resid X as Resid X (46) ( X (55) ( X ) Psaul X D21 6-1 [ X Ceng X VA Mod X Cour X * Cour X + V X - C A webassign.net/web/Student/Assignment-Responses/last?dep=30689990 Update G Gmail YouTube . Maps Tendances TV fuboTV - Watch &... & Google TRIP TO SPAIN Enroll - Apple Devell.. Settings ) Les liens de Fidel C... > Other bookmarks 6. [-/4 Points] DETAILS OSCOLPHYS2016 7.6.WA.049. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A man on a motorcycle plans to make a jump as shown in the figure. h If he leaves the ramp with a speed of 40.0 m/s and has a speed of 37.9 m/s at the top of his trajectory, determine his maximum height (h) (in m) above the end of the ramp. Ignore friction and air resistance. m Additional Materials Reading 80.F O 12:28 PM Search a T W ENG US 2/9/2023 5 Mostly cloudy