A 0.68 kg mass starts from rest. After falling 30 m straight down, its speed is 20 m/s. Only gravity and drag act on the mass during the fall. How much work was done by drag during the fall?
Added by Menaira C.
Step 1
First, we need to find the work done by gravity. To do this, we can use the formula for gravitational potential energy: U = mgh, where m is the mass, g is the acceleration due to gravity (approximately 9.81 m/s²), and h is the height. Show more…
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