You fire a bullet into a 2 kg wooden block that is hanging at the bottom of a pendulum. When the
bullet strikes the block, the pendulum swings upward. The bullet has a mass of 0.02 kg and strikes
the block with a speed of 300 m/s.
a. What is the speed of the block and bullet when they first start moving together? (8 points)
b. What is the maximum height reached by the pendulum? (7 points)
Answers: 1
Physics, 21.06.2019 18:00
Which statement best explains why an object weight less on mercury than it does on earth
Answers: 1
Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
Physics, 22.06.2019 21:00
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
Answers: 2
Physics, 23.06.2019 13:30
You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.
Answers: 1
You fire a bullet into a 2 kg wooden block that is hanging at the bottom of a pendulum. When the
bu...
Mathematics, 03.03.2020 21:28
Mathematics, 03.03.2020 21:28
English, 03.03.2020 21:28
Chemistry, 03.03.2020 21:28
Computers and Technology, 03.03.2020 21:28