A tree leaf appears to be green. Which statement explains why the leaf isn't a blackbody radiator? A. The leaf emits light but does not reflect it.
B. The leaf emits only blue and yellow light.
C. The leaf reflects light and does not emit it.
D. The leaf does not change temperature when it reflects light.

Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water