Physics, 26.09.2019 20:00, huynexushuy8786
An important news announcement is transmitted by radio waves to people sitting next to their radios 42 km from the station and by sound waves to people sitting across the newsroom 9.26 m from the newscaster. taking the speed of sound in air to be 343 m/s, who receives the news first?
Answers: 2
Physics, 22.06.2019 07:30, luckylady
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 17:00, nathanb126
The force it would take to accelerate an 900-kg car at the rate of 6m/s2
Answers: 1
Physics, 23.06.2019 01:30, littylai5524
"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third. b) increased by a factor of three. c) increased by a factor of two. d) reduced to one-half"
Answers: 2
Physics, 23.06.2019 02:00, nicole5918
Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?
Answers: 2
An important news announcement is transmitted by radio waves to people sitting next to their radios...
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