Physics, 27.06.2020 03:01 aliyahmuhammad5197
The average density of the Sun is on the order 10³ kg/m³.
(a) Estimate the density of the Moon (in kg/m3). kg/m3
(b) Estimate the diameter of the Moon (in m). (Use your estimate from part (a).) m
(c) Given that the Moon subtends at an angle of about half a degree in the sky, estimate its distance from Earth (in m).
Answers: 1
Physics, 21.06.2019 16:30
Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
Answers: 1
Physics, 22.06.2019 12:30
Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
Answers: 2
Physics, 22.06.2019 18:30
An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
Physics, 22.06.2019 21:00
Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion
Answers: 3
The average density of the Sun is on the order 10³ kg/m³.
(a) Estimate the density of the Moon (in...
Mathematics, 26.06.2021 16:10
English, 26.06.2021 16:10
Social Studies, 26.06.2021 16:10
Biology, 26.06.2021 16:10
Biology, 26.06.2021 16:10
Biology, 26.06.2021 16:10
English, 26.06.2021 16:10
Biology, 26.06.2021 16:10
Mathematics, 26.06.2021 16:10
Social Studies, 26.06.2021 16:30
Chemistry, 26.06.2021 16:30
Computers and Technology, 26.06.2021 16:30