6.4 (B): Work

Math 72 [Calculus 2]

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6. [-/1 Points] DETAILS SCALCET9 6.XP.4.006. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER How much work W (in ]) is done in lifting a 20 kg sandbag to a height of 9 m? (Use 9.8 m/s2 for g.) W = Need Help? Read It Watch It Submit Answer 7. [-/1 Points] DETAILS SCALCET9 6.XP.4.003.MI. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A particle is moved along the x-axis by a force that measures 8/(3 + x) pounds at a point x feet from the origin. Find the work W done in moving the particle from the origin to a distance of 9 ft. W = ft - lb Need Help? Read It Watch It Master It Submit Answer 8. [-/1 Points] DETAILS SCALCET9 6.XP.4.004. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the work W done (in ft-lb) if a constant force of 95 lb is used to pull a cart a distance of 200 ft. W = ft-lb Need Help? Read It Submit Answer9. [-/1 Points] DETAILS SCALCET8 6.4.504.XP. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the work W done if a constant force of 105 lb is used to pull a cart a distance of 190 ft. W = ft - lb Submit Answer 10. [-/1 Points] DETAILS SCALCET8 6.4.JIT.009. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Evaluate the function at each specified value of the independent variable and simplify. (If an answer is undefined, enter UNDEFINED.) f(x) = 1x1+4 (a) f(6) ( b ) f ( - 6 ) (c ) f ( x 2 ) Need Help? Watch It Submit