Two 22.0 kg ice sleds are placed a short distance apart, one directly behind the other, as shown in the figure. A 4.02 kg cat, initially standing on sled 1, jumps across to sled 2 and then jumps back to sled 1. Both jumps are made at a horizontal speed of 3.02 m/s relative to the ice. What is the final speed of sled 2? (Assume the ice is frictionless.)

small = small current large mag large current

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weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards