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The drawing shows a collision among two pucks on an air-hockey table. Puck A has a mass of 0.0100 kg and is moving along the x axis with a velocity of +4.87 m/s. It makes a collision with puck B, which has a mass of 0.0200 kg and is initially at rest. The collision is not head-on. After the collision, the two pucks fly apart with the angles shown in the drawing. Discover the speed of (a) puck A and (b) puck B.
A boy pushes a box that has a mass of 355 N up an incline. Ifthe boy exerts a force of 67 N along the incline, what is the mechanical advantage of the incline
In a heart pacemaker, a pulse is delivered to the heart 81 times per minute. The capacitor that controls this pulsing rate discharges through a resistance of 1.8 x 106. One pulse is delivered every time the fully charged capacitor loses 60.5% of its ..
6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other
a kickers extended leg is swung for 0.4 s in a counterclockwise direction while accelerating at 200 degs2. what is the
How fast would it be moving after it had fallen a distance of 0.010-m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
A block with a mass of m is resting on a 20 degree slope. The block has coefficients of friction 0.81 and 0.55 with the surface. What is the minimum mass that will stick and not slip
A large sponge has forces of magnitude 12 N applied in oppositedirections to two opposite faces of area 42 cm^2. What is theshear modulus of the sponge
A charged isolated metal sphere of diameter 10 cm has apotential of 8000 V relative to V = 0 at infinity. Calculate the energy density in the electric field
a speedy tortoise can run with a velocity of 10 cm/s and a hare can run 20 times as fast. in a race they both start at the same time but the hare stops to rest for 2 min, what was the length of the race
A 1150 W carbon-dioxide laser emits light with a wavelength of 10 µm into a 3.0-mm-diameter laser beam. What force does the laser beam exert on a completely absorbing target
in a certain right triangle the two sides that are perpendicular to each other are 3.70 m and 5.40 m long. what is the
a 19.2 kg sled is being pulled across a horizontal surface at a constant velocity. determine the coefficient of kinetic friction
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