20 The Work Done By Gravity On The Mass In Question 10 Is 2509 J Using The Answer To 10 And The Work Done By Gravity 1 (19.15 KiB) Viewed 26 times
just need #20 please explain how it is done im confused thank
you!
20. The work done by gravity on the mass in question 10 is +2509 J. Using the answer to 10 and the work done by gravity, calculate the work done by air resistance on the mass. Be careful of signs! #10)) A 3.2 kg rock is dropped from 80.0 m above ground. Its speed just before it lands is 33.1 m/s. What is the network done on the rock?
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