A red laser with a wavelength of 7.00x10^-7 m passes through a diffraction gradient with slits with a 0.30 mm distance. What is the angle
from the central maximum to the first bright spot (m=1)? *
0 0.043 degrees
0 0.13 degrees
O 0.00023 degrees
O 2.5 degrees

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

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