Physics, 01.04.2020 11:26 sciencefacts4504
Suppose you are swimming underwater in a lake and a sound is made 1,000 meters away from you. How long would it take for the sound waves to reach your ears? Would they reach you faster or slower if you were swimming in the ocean? Why?
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Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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Physics, 22.06.2019 04:50
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
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 14:00
If element x has 99 protons how many electrons does it have
Answers: 1
Suppose you are swimming underwater in a lake and a sound is made 1,000 meters away from you. How lo...
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