Physics, 20.08.2021 16:10 blackboy21
A ball is thrown upward from the ground with an initial speed of 13.6 m/s; at the same instant, another ball is dropped from a building 18 m high. After how long will the balls be at the same height above the ground
Answers: 1
Physics, 22.06.2019 06:30
Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults
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Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
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Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
Physics, 22.06.2019 18:30
Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
Answers: 2
A ball is thrown upward from the ground with an initial speed of 13.6 m/s; at the same instant, anot...
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