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The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. Neglect nonconservative forces, such as friction and air resistance, and find the height h of the highest point reached by the skateboarder on the right side of the ramp.
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. Neglect nonconservative forces, such as friction and air resistance, and find the height h of the highest point reached by the skateboarder on the right side of the ramp.
Answer:1.5 mExplanation:Using the law of conservation of energyGain in potential energy by the skateboarder= Loss in kinetic energy by the skateboarderPE=KE where KE represent potential energy, PE represent potential energywhere m is mass of skateboarder and v is velocity of skateboarderPE=mgh where m is the mass of skateboarder, g is acceleration due to gravity which in this case is taken asand h is the highest point reached by the skateboarder. Equating PE=KE we haveand since m are on both LHS and LHS, the cancel} and making h the subject of the above formulaSubstituting v with 5.4 m/s and g aswe obtainRounded off, h=1.5 m...
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