Abicyclist is coasting straight down a hill at a constant speed. the mass of the rider and bicycle is 96.0 kg, and the hill is inclined at 17.0° with respect to the horizontal. air resistance opposes the motion of the cyclist. later, the bicyclist climbs the same hill at the same constant speed. how much force (directed parallel to the hill) must be applied to the bicycle in order for the bicyclist to climb the hill?
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Physics, 22.06.2019 01:30
Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?
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Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
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Physics, 22.06.2019 13:30
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
Abicyclist is coasting straight down a hill at a constant speed. the mass of the rider and bicycle i...
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