1. What is the speed of a wave that has a frequency of 9000 Hz and a
wavelength of .5 meters?...
Physics, 01.04.2020 01:24 gabestrickland2
1. What is the speed of a wave that has a frequency of 9000 Hz and a
wavelength of .5 meters? *
O
18,000 m/s
O
4500 m/s
O
18,000 Db
4500 s/m
Answers: 1
Physics, 21.06.2019 15:30
Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves
Answers: 1
Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 22.06.2019 14:30
Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?
Answers: 1
Chemistry, 19.12.2020 21:00
History, 19.12.2020 21:00
History, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
World Languages, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
Social Studies, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
Mathematics, 19.12.2020 21:10
Biology, 19.12.2020 21:10
Business, 19.12.2020 21:10
History, 19.12.2020 21:10
Computers and Technology, 19.12.2020 21:10