A5.7 kg bucket of water is raised from a well by a rope. the acceleration of gravity is 9.81 m/s 2 . if the upward acceleration of the bucket is 2.2 m/s2 , find the force exerted by the rope on the bucket of water. answer in units of n.

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?