What is the third fragment right after the explosion

Reference no: EM134384

Question1

A rocket with mass M is fired vertically upward. At an instant it reaches an altitude of 800m and a speed of v=350 m/s, it explodes into 3 fragments. One fragment with mass 1/2M moves upward with the speed of v1=400m/s following the explosion. The second fragment with mass 1/4M has the speed of v2= 260 m/s moving east after explosion. What's the third fragment right after the explosion?

Question2

Two window washers, Bob and Joe, are on a 3.00 m long, 325 N scaffold supported by two cables attached to its ends. Bob weighs 810 N and stands 1.00 m from the left end. Two meters from the left end is 500 N washing equipment? Joe is 0.500 m from the right end and weighs 870 N. known that the scaffold is in rotational and translational equilibrium, what are the forces on each cable?

Reference no: EM134384

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