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you throw a ball straight upward into the air with a velocity of 20.0 m/s, and you catch the ball some time later.
a) how long is
4 answers
asked by
Maddie
2,708 views
1. (a) A frictionless car of mass 1.5 tonnes travels uphill along a slope at 20º to the horizontal for 0.5 km at 20 km per
2 answers
asked by
Serkhref
561 views
The lower frequency limit for human hearing is usually considered to be 20.0 Hz. (a) What is
the speed of sound in m/s if the air
2 answers
asked by
Marissa
555 views
In wandering, a grizzly bear makes a displacement of 1586 m due west, followed by a displacement of 3289 m in a direction 30.0°
4 answers
asked by
Jessie
1,330 views