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Q1. A force vector has a magnitude of 569 newtons and points at an angle 41o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector?
Q2. A car starts from rest at a stop sign. It accelerates at 4.3 for 7.5, coasts for 2.4, and next slows down at a rate of 3.4 for the next stop sign. How far apart are the stop signs?
A doubly charged helium atom whose mass is 6.6 10 to 27 kg is accelerated by a voltage of 2200 V. What will be its radius of curvature if it moves in the plane perpendicular to a uniform 0.308 T field?
A highway curve with a radius of 550 m is banked properly for a car travelling 130 km/h. If a 1660- kg Porshe 928S rounds the curve at 250 km/h, how much sideways force should the tires exert against the road if the car does not skid.
Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the s..
Compute the average intensity
The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
Charge A and charge B are 2.5 m apart. Charge A is 1.4C and charge B is 2.5C. Charge C, which is 2.0 C, is situated between them and force on charge C is zero. How far from charge A is Charge C.
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A small ball of mass 62 g is suspended from a string of length 37 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 33? with the perpendicular, find the centripetal force experienced by the ball. The accelerati..
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