A 150 g particle at x = 0 is moving at 2.00 m/s in the +x-direction. As it moves, it experiences a force given by Fx =(0.350N)sin(x/2.00m). What is the particle's speed when it reaches x = 3.14 m? Note:- Consider "/" as a division symbol.
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A 150 g particle at x = 0 is moving at 2.00 m/s in the +x-direction. As it moves, it experiences a force given by Fx =(0.350N)sin(x/2.00m). What is the particle's speed when it reaches x = 3.14 m?
Note:- Consider "/" as a division symbol.
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- A 150 gg particle at x= 0 is moving at 8.00 m/s in the +xdirection. As it moves, it experiences a force given by Fx=(0.950N)sin(x/2.00m).What is the particle's speed when it reaches x = 3.14 m?You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 306 N for 7.5 s, during which time the refrigerator moves a distance of 3.3 m at constant velocity. (A) what is the total work (by all forces) done on the refrigerator? (Answer in J) (b) what is the work done by friction? (Answer in J)The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have masses of 14 and 49 kg. If A and B are 6.5 and 1.5 m, respectively, above the ground, determine the speed of (a) the lighter box and (b) the heavier box when each reaches B. (c) What is the ratio of the kinetic energy of the heavier box to that of the lighter box at B? (a) VB= (b) VB = (c) KEheavier KElighter Number i Number i = Number i VA = 0 m/s MA B hB VA = 0 m/s Units Units Units < <