Physics, 02.11.2019 04:31 xonyemaa12
At an amusement park, a swimmer uses a water slide to enter the main pool. a. if the swimmer starts at rest, slides with negligible friction, and down a 3.25 m long slide that descends through a vertical height of 2.31m, what is her speed at the bottom of the slide? b. find the swimmer’s speed at the bottom of the slide if she starts with an initial speed of 0.840 m/s.
Answers: 2
Physics, 22.06.2019 08:30, mikemurray115
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
Physics, 22.06.2019 09:50, blaqsafire9291
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
Physics, 22.06.2019 12:30, olsen6932
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?
Answers: 1
At an amusement park, a swimmer uses a water slide to enter the main pool. a. if the swimmer starts...
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