Physics, 31.10.2020 05:10 Loveland56
You are pulling a sled along a level surface. The weight on the sled increases as some packages are added. How do you think that the force you exert to pull the sled changes?
A. It increases
B. It decreases
C. It remains the same
Answers: 1
Physics, 22.06.2019 10:30
Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.
Answers: 1
Physics, 22.06.2019 16:30
The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
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The smallest particle of an element that retains its identity in a chemical reaction. true or false
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