Answers: 1
Physics, 21.06.2019 14:40
Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
Answers: 2
Physics, 21.06.2019 15:00
An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz
Answers: 1
Physics, 22.06.2019 00:50
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?
Answers: 1
Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
30 metros al norte a o grados y 90 metros al norte a 270 grados...
Biology, 04.08.2019 22:30
Spanish, 04.08.2019 22:30
Business, 04.08.2019 22:30
Business, 04.08.2019 22:30
Social Studies, 04.08.2019 22:30
Mathematics, 04.08.2019 22:30
Spanish, 04.08.2019 22:30
Social Studies, 04.08.2019 22:30
Social Studies, 04.08.2019 22:30
Advanced Placement (AP), 04.08.2019 22:30
Social Studies, 04.08.2019 22:30