Which term defines the process of a wave bouncing off of a surface?
a. reflection
b. re...
Physics, 11.11.2019 18:31 jdkrisdaimcc11
Which term defines the process of a wave bouncing off of a surface?
a. reflection
b. refraction
c. destructive interference
d. constructive interference
Answers: 3
Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
Physics, 23.06.2019 03:50
Asimple electrochemical cell contains two electrodes? t or f
Answers: 2
Physics, 23.06.2019 07:30
Why would an orange roll of your cafeteria tray if you stopped suddenly
Answers: 1
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