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The horizontal rod OA rotates about a vertical shaft according to the relation ? = 10t, where ? and t are expressed in rad/s and seconds, respectively. A 0.5-lb collar B is held by a cord with a breaking strength of 4 lb. Neglecting friction, determine, immediately after the cord breaks,
(a) The relative acceleration of the collar with respect to the rod,
(b) The magnitude of the horizontal force exerted on the collar by the rod.
A 125 g mass starts from rest at the origin (at t = 0) and moves with a velocity of v = 2 t i - t3 j (t is in second and v is in m/s). Find the magnitude of the acceleration of the mass at t= 2 second
A block of mass m = 2.00 kg is released from rest at h = 0.700 m from the surface of a table, How far from the table will the block hit the floor
consider a negative charge located between two charged plates of a capacitor. which plate is the plate of high electric potential
given heat 1000 j is input to a carnot engine at 300 degrees celsius and waste heat rejected at 10 degrees C. find the thermal efficiency of the engine and the work performed
A rollercoaster with passengers has a mass of 2500 kg. This rollercoaster is powered to the top of a 25 m hill where it pauses for a moment at rest. What is the speed of the rollercoaster at the top of the vertical loop
in an arcade gamea ball is launched from the corner of a smooth inclined plane.the inclined plane makes a 30 degree
find the magnetic field strength in gauss for a current of 3.7 a in the helmholtz coils with 145 turn assuming a coil
you are shooting a basketball into a hoop of diameter d that is located l meters away and h meters high. assume that
A thin disk of uniform density, mass 5kg and radius :25m, rests on a frictionless table. Find the linear and angular speed of the disk clay system
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.4 cm, and the radius of the nozzle is 0.56 cm. determine the absolute pressure of the water in the pipe
A hurricane wind blows across a 7.10 15.1 flat roof at a speed of 130. How much force is exerted on the roof
A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.023 m/s (seethe drawing). The loop is leaving a region in which a 2.0 T magnetic field exists;
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