Agrating that has 3900 slits per cm produces a third- order fringe at a 28.0° angle. what wavelength of light is being used? express your answer to two significant figures and include the appropriate units.

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)