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A 25-lb force acting in a vertical plane parallel to the yz plane is applied to the 8-in.-long horizontal handle AB of a socket wrench. Replace the force with an equivalent force-couple system at the origin O of the coordinate system.
Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.40 , slowing your 950- car from 16.0 to 9.50 . What was the magnitude of the average force exerted on your car during braking?
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 63.3 N, Jill pulls with 76.1 N in the northeast direction, and Jane pulls to the southeast with 137 N. Find the magnitude of the net force the people exert
A 10.0 g ball of claytraveling east at 5.50 m/scollides and sticks together with a 60.0 g ball of claytraveling north at 3.00 m/s. What is the speed of the resulting ball of clay
suppose that the engineer is at x = 0 when, at t = 0, he first spots the locomotive. Sketch x(t) curves for the locomotive and high-speed train for the cases in which a collision is just avoided and is not quite avoided.
when a mass of 180g is attached to a vertical to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12cm. what is the period of the resulting oscillations
200 Ohm, 0.5mA galvanometers are usedfor making a 20 A ammeter and a 120 V voltmeter. Find resistance of the corresponding shunts
A 12,000 lb truck is southbound on the Guadalupe street. Whenit enters the intersection with the MLK boulevard, its velocity is20 MPH in the direction 30° East from South.
A small plastic bead has been charged to -15nC, What is the magnitude of the acceleration of a proton that is 0.90cm from the center of the bead
Two wheels have the same mass and radius of 4.8 kg and 0.50 m, respectively. Find the net external torque that acts on each wheel
Assuming that the pass was thrown at the optimal 45 ^circ angle, evaluate what was the speed at which the ball left the quarterback's hand?
question1friend of yours travels by you in his fast sports car at a speed of 0.550 c. it is measured in your frame to
question what must be the radius of a circular loop of wire so the magnetic field at its center is 1.40 10-4 t when the
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