Please help me with this.
Two blocks A and B of masses m and 2m respectively are connected by a spring of force constant k. The masses are moving to the right with uniform velocity v = 10m/s each, the heavier mass leading the lighter one. The spring in between them is of natural length during the motion. Block B collides with a third block C of mass m, at rest. The collision being completely inelastic. Find minimum speed (in m/s) of block A in the subsequent motion.
(A) 5
(B) 6
(C) 8
(D) 10â
Answers: 2
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The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 3
Please help me with this.
Two blocks A and B of masses m and 2m respectively are connected by a spr...
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01
Mathematics, 26.06.2020 15:01