Physics, 25.02.2021 08:40 khoadominh2206
Where should you place an object on the principal axis in front of a convex mirror to get a virtual, upright, and smaller Image?
O A. anywhere on the principal axis
O B. only at the focal point on the principal axis
OC. only between the center of curvature and the focal point on the principal axis
OD. only between the focal point and the vertex on the principal axis
O E. only at the center of curvature on the principal axis
Answers: 2
Physics, 22.06.2019 11:20
Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
Answers: 3
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 23:00
1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?
Answers: 1
Where should you place an object on the principal axis in front of a convex mirror to get a virtual,...
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