Physics, 24.09.2021 14:00 StupidFatChipmunk
An electron has an initial speed of 1.92 x 10^5 m/s. If it undergoes an acceleration of 3.4 x 10^14 m/s^2, how long will it take to reach a speed of 7.31 x 10^5 m/s? Answer in units of s. Second part: how far has it travelled in time? Answer in units of m.
Answers: 3
Physics, 21.06.2019 16:00
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 2
Physics, 21.06.2019 16:20
Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be
Answers: 1
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
An electron has an initial speed of 1.92 x 10^5 m/s. If it undergoes an acceleration of 3.4 x 10^14...
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