Describe how the creation or message of "One Love" from the 1970s is relevant to the social problems of 2020. Do you think there are any current musicians that are Activists? Name the musician and briefly describe why you think they are an activist.

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Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

If the new moon happens on january 15th, what shape will it be on february 6th?