Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
mass of first player = 82 kg
speed of first player = 4.1 m/s (towards North)
mass of second player = 76 kg
speed of second player = 3.4 m/s (towards East)
now the two players will collide and stick together so here since there is no external force on the system of two players so we will say momentum of system of players will remain conserved
So here we will have
now after collision they both move together with same speed so we will have
so the magnitude of the velocity after they collide is given as
direction of motion is given as
so they both will move 52.4 degree North of East after collision
d. are made mostly of liquid
-the general composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.
-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.