A chicken is running in a circular path with an angular speed of 1.52 rad/s. How long does it take the chicken to complete one revolution?
A) 4.13 s
B) 2.07 s
C) 118 s
D) 4.77 s
E) 8.26 s
A
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A 1.0-C point charge is 15 m from a second point charge, and the electric force on one of them due to the other is 1.0 N. What is the magnitude of the second charge? (k = 1/4??0 = 8.99 × 109 N • m2/C2)
A) 25 C B) 1.0 C C) 10 nC D) 0.025 C E) 25 nC
What is meant by an adiabatic surface?
What will be an ideal response?
Single-Slit Diffraction: A beam of monochromatic light passes through a slit that is 11.0 ?m wide. If the first order dark fringe of the resulting diffraction pattern is at an angle of 4.31° away from the centerline, what is the wavelength of light?
A. 827 nm B. 301 nm C. 602 nm D. 402 nm E. 201 nm
Which is true about gamma rays?
A) they travel much slower than the speed of light in a vacuum. B) they may be dark matter. C) they have longer wavelengths than optical light. D) they may be dark energy. E) they are extremely high energy radiation.