Physics, 21.07.2019 03:31 justttlearnnn12333
Bats can detect small objects such as insects that are of a size on the order of a wavelength. if bats emit a chirp at a frequency of 69.3 khz and the speed of sound waves in air is 330 m/s, what is the smallest size insect they can detect? give your answer in mm (millimeters)
Answers: 1
Physics, 22.06.2019 12:50
Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom
Answers: 1
Physics, 22.06.2019 15:00
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
Answers: 2
Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
Answers: 1
Physics, 22.06.2019 17:40
Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?
Answers: 1
Bats can detect small objects such as insects that are of a size on the order of a wavelength. if ba...
Mathematics, 31.07.2019 15:00
Business, 31.07.2019 15:00
Physics, 31.07.2019 15:00
Biology, 31.07.2019 15:00
Biology, 31.07.2019 15:00
Biology, 31.07.2019 15:00
Social Studies, 31.07.2019 15:00
Mathematics, 31.07.2019 15:00
Business, 31.07.2019 15:00
Social Studies, 31.07.2019 15:00
Social Studies, 31.07.2019 15:00
Physics, 31.07.2019 15:00
Biology, 31.07.2019 15:00