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A 277.4-N force is applied parallel to a 23.8-degree incline to pull a 29.5-kg crate from rest up the incline to a final height of 5.8 meters. µ between the incline and the crate is 0.50. Determine the speed of the crate at the top of the incline.
A 3 kg box rests on a horizontal surface. An external force 40 N is applied to the box, 30 degrees inclined from top. the box starts its motion from the rest. Find the final speed of the box after it moves 5 meters to the right
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 9 m/s2 up to his top speed of 16 m/s (36 mi/h) and sustain that s..
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.5 cm, and the radius of the nozzle is 0.46 cm. determine the absolute pressure of the water in the pipe
A 120 kg mail bag hangs by a vertical rope 4.00 m long. A postal worker then displaces the bag to a position 2.10 m sideways from its original position, always keeping the rope taut.
In the days of horse-drawn wagons, iron tires used to be placed on wooden wagon wheels by heating the iron rims, what diameter will the tire have when it is heated to 680 oC
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
A velodrome track is banked so that a bicycle traveling at 78.2 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 76.0 m
Three charges, +2.5 ?C, -4.8 ?C, and -6.3 ?C are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively
Use the simulation in the cannon interactive in this section to answer the following questions. (a) Does cannonball's horizontal velocity change as it moves through the air? (b) Does its vertical velocity change? (c) If you enhance the cannonball's h..
find the maximum height reached by a body of mass 5 kg thrown with a speed of 10 m/s. take g= 10 m/s^2. find also the work done in reaching that height
What minimum force is necessary to start the block moving up the wall? (Hint: The static frictional force is now directed down the wall.)
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