Physics, 29.11.2019 23:31 jamarstand

The wind blows a rock of mass m off a cliff. the rock hits the ground below with speed v. then a rock of mass 2m is blown off the same cliff. it will hit the ground at what speed? assume that air resistance is negligible for both rocks.

2v

0.5v

4v

v

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 14:30, squawk1738

What is the approximate amplitude of this wave a.10 seconds b.15 centimeters c.30 centimeters d.15 seconds

Answers: 1

continue

Physics, 21.06.2019 22:40, kiaunarayne808

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Answers: 2

continue

Physics, 22.06.2019 05:30, gunnatvinson

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Answers: 3

continue

Physics, 22.06.2019 06:20, walmartislife

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

Answers: 1

continue

You know the right answer?

The wind blows a rock of mass m off a cliff. the rock hits the ground below with speed v. then a roc...