Physics, 17.05.2021 19:00 kieramacphee6216
Sound travels through air at 343 m/s at 20 °C. A bat emits an ultrasonic squeak and hears the echo 0.05 second later . How far away was the object that reflected it? Please explain thanks :)
Answers: 1
Physics, 21.06.2019 21:20
Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.
Answers: 1
Physics, 22.06.2019 02:30
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
Answers: 2
Physics, 22.06.2019 04:00
Simple machines can a. increase force only b. decrease force only c. increase or decrease force
Answers: 3
Physics, 22.06.2019 06:00
In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.
Answers: 1
Sound travels through air at 343 m/s at 20 °C. A bat emits an ultrasonic squeak and hears the echo 0...
World Languages, 11.03.2020 14:21
Mathematics, 11.03.2020 14:21
Mathematics, 11.03.2020 14:21
English, 11.03.2020 14:25
Mathematics, 11.03.2020 14:26
Mathematics, 11.03.2020 14:29
History, 11.03.2020 14:35
Physics, 11.03.2020 14:40
Mathematics, 11.03.2020 14:44
World Languages, 11.03.2020 14:44
Geography, 11.03.2020 14:46
Mathematics, 11.03.2020 14:47
English, 11.03.2020 14:48
Mathematics, 11.03.2020 14:48