A block slides from rest a distance d=5.0m down a 30° frictionless incline and then a distance d2 along a rough horizontal track before it stops (see figure blow). The coefficient of kinetic friction between the block and horizontal track is 4x =0.45. What is the distance d»?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

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