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Q. A shoe store uses small floor-level mirrors to let customers view prospective purchases. At what angle from vertical should such a mirror be inclined so that a person standing 59 from the mirror with eyes 142 off the floor can see her feet?
Q. An 9.0 kg mass, m(sub)1, on a frictionless table is accelerated by a 3.0-kg mass, m(sub)2, hanging over the edge of the table. What is the acceleration of the mass along the table?
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
The motion of peg P is constrained through the lemniscate curved slot in OB and by the slotted arm OA.
A 150g ball and a 250g ball are connected by a 34cm long, massless, rigid rod. The balls rotate about their center of mass at 130 . what is the speed of ball of 150 g.
Find out the tension in the rope
What is the change in length of the rope whilst the skier has the acceleration whose magnitude is 0.65 m/s2.
You push with a 20N horizontal force on a 2 kg mass resting on the horizontal surface against a horizontal friction force of 12N. What is the acceleration.
A car goes round a flat curve at a speed of 32 ms-1. If the radius of the curve is 200 m, find the minimum value for the coefficient of friction so that the car can go around the curve without skidding.
Displacement is which of the following types of quantities.
What is the least coating thickness required
Calculate the magnitude of the electric field at one corner of a square 1.43
A toy train is pushed forward and released at xi = 1.60 m with a speed of 2.60 m/s. It rolls at a steady speed for 1.30 s, and then one wheel begins to stick. The train comes to a stop 6m from its starting point. What is the train's acceleration a..
Three children each of weight 356N make a long raft by lashing together logs of diameter 0.30m and length 1.8m. how many logs will be needed to keep them afloat in fresh water. take density of the logs to be 800kg/m^3.
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