9. Work & Energy
Intro to Calculating Work
9. Work & Energy Intro to Calculating Work
23PRACTICE PROBLEM
A 47 kg dog accidentally jumped off a helicopter at a height of 410 m. Fortunately, it landed in a haystack, burying itself 1.5 m inside, and survived. Given that its terminal velocity was 49 m/s, calculate the work done on the dog by air resistance during its fall. For simplicity, assume that the dog was a particle.
A 47 kg dog accidentally jumped off a helicopter at a height of 410 m. Fortunately, it landed in a haystack, burying itself 1.5 m inside, and survived. Given that its terminal velocity was 49 m/s, calculate the work done on the dog by air resistance during its fall. For simplicity, assume that the dog was a particle.