Physics, 01.04.2021 17:10, colton1788
3 points
Sound travels at a speed of 330 meters/second. If Denise hears a police siren 150 meters away, approximately how long did it take for the siren sound to
travel from the police vehicle to her?
Answers: 1
Physics, 22.06.2019 08:40, tasniahussain21
The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.
Answers: 2
Physics, 22.06.2019 18:00, fletcherjf3
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
Answers: 2
Physics, 23.06.2019 00:20, ilovewaffles70
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
Physics, 23.06.2019 06:30, acharity196
Acopper sheet has a volume of 100 cm³. if the density of copper is 8.9 g/cm³, what is the mass of the sheet? a. 11 g b. 8.9 g c. 189 g d. 890 g
Answers: 1
3 points
Sound travels at a speed of 330 meters/second. If Denise hears a police siren 150 meters a...
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