A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictionless tabletop. If the maximum tension that the string can withstand without breaking is 350 N
What is the maximum speed the mass can have without breaking the string? A) 700 m/s
B) 26 m/s
C) 19 m/s
D) 13 m/s
B
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Aristotle's idea of the cosmos was
a) that the world was flat and if you travelled too far you would fall of the edge b) Heliocentric was all planets traveling in ellipses about the sun c) Geocentric with 5 elements and celestial bodies are made of the lightest element called quintessence
An eclipse season is the interval during which the Sun crosses a node of the Moon's orbit
a. True b. False Indicate whether the statement is true or false
How much of Jupiter is made of material that is in a gaseous phase?
A) Jupiter is entirely made of gas, all the way down to its center. B) Jupiter is entirely gaseous except for its rock core. C) Only about the outer 10% of Jupiter's interior is gaseous. D) Jupiter does not contain any gaseous phase material; it is all liquid or liquid metallic.
A racecar driver steps on the gas, changing his speed from 10 m/s to 30 m/s in 4 seconds. The acceleration of the racecar is 10 m/s2
a. True b. False Indicate whether the statement is true or false