Physics, 13.01.2020 06:31 vanbenit7

What is the difference between speed and velocity ?

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 05:30, namekianball4

Anybody wanna ? (picture included? )

Answers: 1

continue

Physics, 22.06.2019 12:00, P4thing

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Answers: 3

continue

Physics, 22.06.2019 12:30, madlenserlipepu1o

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

continue

Physics, 22.06.2019 13:00, chie42

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.