Physics, 22.07.2021 18:10, sandrafina2004
Trong thí nghiệm y âng về giao thoa ánh sáng Biết D=2m a=2mm hai khe được chiếu bằng ánh sáng trắng có bước sóng từ 0,4m đến 0,75m tại điểm trên màn quan sát cách vân trắng chính giữa 3,3mm số bức xạ cho vân sáng tại đó là:
A.4
B.3
C.5
D.6
Answers: 1
Physics, 22.06.2019 01:30, kaylin28
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
Answers: 2
Physics, 22.06.2019 02:30, itzyougirllona47
Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes
Answers: 2
Physics, 22.06.2019 16:30, xxaurorabluexx
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
Trong thí nghiệm y âng về giao thoa ánh sáng Biết D=2m a=2mm hai khe được chiếu bằng ánh sáng trắng...
English, 04.01.2021 19:50
History, 04.01.2021 19:50
Mathematics, 04.01.2021 19:50
Biology, 04.01.2021 19:50
Chemistry, 04.01.2021 19:50