Physics, 19.12.2019 20:31 mackenziann
You’ve set up a frictionless car racetrack, with a loop of radius 0.5 m. your toy car of mass 2 kg starts at rest at the top of a ramp and is released so that it slides down and approaches the loop. what condition must be present so that the car just completes the loop? how high must you make the ramp in order to complete the loop?
Answers: 3
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
Physics, 23.06.2019 02:00
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Physics, 23.06.2019 02:30
Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare
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You’ve set up a frictionless car racetrack, with a loop of radius 0.5 m. your toy car of mass 2 kg s...
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