What factors affect the pitch and the loudness of a sound?
1. wavelength and size
2. period a...
Answers: 1
Physics, 22.06.2019 17:40
Aspring is used to stop a 50-kg package which is moving down a 20ΒΊ incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
Answers: 1
Physics, 22.06.2019 21:00
What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
Answers: 1
Physics, 23.06.2019 02:00
How does the strength of the electrostatic force between an electron and a proton compare to the strength of the gravitational force between them?
Answers: 1
Mathematics, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40
Chemistry, 01.02.2022 08:40
Mathematics, 01.02.2022 08:40