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Physics, 04.09.2020 01:01 chloebaby8
Energy conversion from potential energy (the energy of position or composition) to kinetic energy (the energy of motion) is illustrated by
the diagram of a roller coaster. When the coaster is in position A, the potential energy is drag and drop answer here and the
kinetic energy is drag and drop answer here As the coaster moves to position B, the potential energy is
drag and drop answer here and the kinetic energy is drag and drop answer here As momentum carries the
coaster into position C, the potential energy is drag and drop answer here and the kinetic energy is
drag and drop answer here Finally as the coaster reaches position D, the potential energy is
drag and drop answer bere
and the kinetic energy is drag and drop answet here
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Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2. how much is the spring compressed x from its natural length? 1) x = v0*sqrt(k/(mg)) 2) x=v0*sqrt(m/k) 3) x=v0*((mk)/g) 4) x=v0*sqrt(k/m) 5) x=v0*(m/kg) 6) x=v0*sqrt((mg)/k) 7) x=(v0)^2/(2g) 8) x=v0*(k/(mg)) 9) x=(v0)^2/(2m) 10) x=v0*((mg)/k)
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Physics, 22.06.2019 23:30
Newton's law of cooling states that the rate of change in the temperature t(t) of a body is proportional to the difference between the temperature of the medium m(t) and the temperature of the body. that is, startfraction dt over dt endfraction equals upper k left bracket upper m left parenthesis t right parenthesis minus upper t left parenthesis t right parenthesis right bracket , where k is a constant. let kequals0.04 left parenthesis min right parenthesis superscript negative 1 and the temperature of the medium be constant, m(t) font size decreased by 3 equivalent font size decreased by 3 294 kelvins. if the body is initially at 369 kelvins, use euler's method with hequals0.1 min to approximate the temperature of the body after (a) 30 minutes and (b) 60 minutes.
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Energy conversion from potential energy (the energy of position or composition) to kinetic energy (t...
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