Answer Happy

Posted: **Wed Jun 08, 2022 8:30 pm**

: A Ball Is Tied To The End Of A String Of Negligible Mass The Ball Is Then Spun In A Circle With A Radius Of 1 00 M Mak 1 (18.06 KiB) Viewed 52 times

: A Ball Is Tied To The End Of A String Of Negligible Mass The Ball Is Then Spun In A Circle With A Radius Of 1 00 M Mak 2 (18.06 KiB) Viewed 52 times

: A Ball Is Tied To The End Of A String Of Negligible Mass The Ball Is Then Spun In A Circle With A Radius Of 1 00 M Mak 3 (19.31 KiB) Viewed 52 times

A ball is tied to the end of a string of negligible mass. The ball is then spun in a circle with a radius of 1.00 m, making 1.00 revolution per second. What is the centripetal acceleration of the ball? 21.4 m/s² 39.5 m/s² 1.00 m/s² 9.81 m/s² None of the other answers

A hiker climbs a mountain, beginning from an elevation of 1018 m (above sea level) and ending on the summit at 2536 m. What is the change in the hiker's gravitational potential energy between these two elevations? The mass of the hiker is 80.0 kg. 1.19 MJ 0.799 MJ 1.99 MJ 0.565 MJ None of the other answers