Answers: 2
Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
Answers: 1
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
what kind of environmental conditions could increase or decrease the buildup of charges on an object...
Mathematics, 16.10.2020 18:01
English, 16.10.2020 18:01
History, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Chemistry, 16.10.2020 18:01
History, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Spanish, 16.10.2020 18:01
Medicine, 16.10.2020 18:01
History, 16.10.2020 18:01
Business, 16.10.2020 18:01