10:50 AM OO Sprint LTE view-api box.com 2/3 Ronald McDonald who has a mast of TS

Question

10:50 AM OO Sprint LTE view-api box.com 2/3 Ronald McDonald who has a mast of TS.0 kg. He does so by swinging from a l 50m rope, The villain starts from rest at an angle ofse as shown below. When he reaches cloum he holds on to the clown so that the collision is inelastic. What is the velocity of the villain and clown y after the collision? (200 2.01 m 50m 55.0 kg inelastic collision here 4 Ball with mass moves with velocity v toward ball2, which is atnest and has mass4m, The collision is clatie. Find the velocity ofeach ball afher the collision. Give anuwen in of m and/or v. Vif Communication satellites in orbitaround the Earth must remain above the same point on Earth To do they need a period of 24 hrs to match the Earth's notation. This is called geosynchronous orbit The geosynchronous orbit. Find the orbital speed and orbital radiusofa mass of the Earth is 0 kg (20) 6 Aspace station is made of two donut-shaped chambers. A and B Chamber A has radius 410 m, and chamber As the station retales, an astronaut inchamber A moves with a tangential speed of 23 ms along a circular are (a) Whatisthe angular speed for the astronaut in chamber A, in rpm Irevolutions per minutey (b) What is the tangential speed for the chamber B? Use good symbolic notation. show setup, etc) AS

Explanation / Answer

4.
suppose after collision ball 2 moves with velociuty v2f and ball 1 with v1f.

(we are taking v2f and v1f in the direction same as initial velocity of 1.)

Applying momentum conservation for the collision,

m v + 0 = m v1f + 4mv2f

v1f + 4v2f = v ..... (i)

for elastic collision,

velocity of approach = velocity of separation

v = v2f - v1f ..... (ii)

Solving ,

v1f = -3v/5

v2f = 2v/5

(minus sign indicates that direction is opposite to that we have considered)

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