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In the figure, a block of mass m = 14 kg is released from rest on a frictionless incline of angle θ = 27°. Below the block is a spring that can be compressed 2.3 cm by a force of 270 N. The block momentarily stops when it compresses the spring by 6.9 cm.
(a) How far does the block move down the incline from its rest position to this stopping point?
(b) What is the speed of the block just as it touches the spring?
A pirate ship is 560m from a fort defending the harbor entrance of an island. How far should the pirate ship be from the cannon
How might organizations work with unions to achieve strategic HRM goals, and how might unions prepare to represent their members in a strategic HRM environment?
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a ski trail makes a vertical descent of 78.0 m as shown in the figure below . a novice skier unable to control his
The label on a candy bar says 480 Calories. Assuming a typical efficiency for energy use by the body, if a 62 person were to use the energy in this candy bar to climb stairs, how high could she go?
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, which rise to a height of approximately 15,000 ft (580 hPa). The air on the western side of the mountain range is at 800 hPa (T = 70 F, r = 0.75), and will subside on the e..
A tank holds a layer of oil, 1.43 m thick, that floats on a layer of syrup that is 0.64 m thick. Both liquids are clear and do not intermix.
Speedboat A negotiates a curve whose radius is 118 m. Speedboat B negotiates a curve whose radius is 270 m. Each boat experiences the equivalent centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A 10 Ω resistor is in series with a 1 and 5 Ω resistor parallel combination. All of that is parallel with a 9 Volt battery. Determine the total current running through the wire
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