A 30 kg child rides a 9 kg sled down a frictionless ski
A 30 kg child rides a 9 kg sled down a frictionless ski slope. At the bottom of the hill, her speed is 7 m/s. If the slope makes an angle of 15° with the horizontal, how far did she slide on the sled?
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a fisherman notices that his boat is moving up and down periodically without any horizontal motion owing to waves on
a rectangular block of metal of resistivity rho has dimensions dx2dx3d a potential difference v is to be applied
glucose the sugar used by cells of our bodies for energy ahs the molecular formula c6h12o6 how many atoms of carbon are
for how many seconds must the electrolysis of cuso4 aq solution be carried out at a current of 225a to deposit 241 g of
a 30 kg child rides a 9 kg sled down a frictionless ski slope at the bottom of the hill her speed is 7 ms if the slope
the figure below shows a ball of mass m 05 kg at rest on top of a massless platform the platform is connected to the
how many liters of chlorine gas at 650mmhg and 25degress c can be produced by the reaction of 20l of 250m hcl soultion
the outer surface of a skiers clothes of emissivity 0700 is at a temperature of 740deg c find the rate of radiation if
the filament of a light bulb has a temperature of 296e3 degc and radiates 50 watts of power the emissivity of the
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