A 70 kg tree surgeon rides a cherry picker lift to reach the upper branches of a tree. What force does the lift exert on the tree surgeon when it's (a) at rest; (b)moving upward at a steady 2.3m/s; (c)moving downward at a steady 2.3m/s; (d) accelerating upward at 1.3m/s2 (e) accelerating downward at 1.3m/s2? 44. A 166-g hockey puck is gliding across the ice at 44.3 m/s. Aplayer whacks it with her stick, sending it moving at 82.1 m/sat 45.0° to its initial direction of motion. If stick and puck are ing elephant exert40-cm-high ta-alls?cm if its springcontact for 112 ms, what are the magnitude and direction of theaverage force that was exerted on the puck?45. An airplane encounters sudden turbulence, and you feel momen-pring constantn?used to weigh atarily lighter. If your apparent weight seems to be about 75% ofyour normal weight, what are the magnitude and direction of theplane's acceleration?46. A 70-kg tree surgeon rides a “cherry picker" lift to reach the up-per branches of a tree. What force does the lift exert on the sur-geon when it's (a) at rest; (b) moving upward at a steady 2.3 m/s;(c) moving downward at a steady 2.3 m/s; (d) accelerating up-ward at 1.3 m/s²; (e) accelerating downward at 1.3 m/s²?47. A dancer executes a vertical jump during which the floor pushesup on his feet with a force 44% greater than his weight. What'scom the text. Eachcon@OOD that' youSamsung Quad Cameras upward acceleration?n befshot with my Galaxy A71m but with differ-48. Find expressions for the force needed to bring an object of massm from rest to speed v (a) in time At and (b) over distance Ax.Whot's its minimum stop-tla at 45.0° to its initial direction of motion. If stick and puck are incontact for 112 ms, what are the magnitude and direction of theaverage force that was exerted on the puck?45. An airplane encounters sudden turbulence, and you feel momen-igh ta-springtarily lighter. If your apparent weight seems to be about 75% ofyour normal weight, what are the magnitude and direction of theplane's acceleration?46. A 70-kg tree surgeon rides a “cherry picker" lift to reach the up-per branches of a tree. What force does the lift exert on the sur-nstanteigh ageon when it's (a) at rest; (b) moving upward at a steady 2.3 m/s;(c) moving downward at a steady 2.3 m/s; (d) accelerating up-ward at 1.3 m/s²; (e) accelerating downward at 1.3 m/s²?47. A dancer executes a vertical jump during which the floor pushesup on his feet with a force 44% greater than his weight. What'sEachEs thatden@o00ee fisamsung Quad Cameraard acceleration?diffehot with myGalaxy Ad expressions for the force needed to bring an object of massas them from rest to speed (a) in time Atond

Name: A 70 kg tree surgeon rides a cherry picker lift to reach the upper bra
Uploaded: 2024-03-20T06:57:57.000Z
Channel: Bartleby
Description: A 70 kg tree surgeon rides a cherry picker lift to reach the upper branches of a tree. What force does the lift exert on the tree surgeon when it's (a) at rest; (b)moving upward at a steady 2.3m/s; (c)moving downward at a steady 2.3m/s; (d) accelerat