Questions in Grade High-school

Questions in Grade High-school

📝 Answered - One light beam has wavelength [tex]\lambda_1[/tex] and frequency [tex]f_1[/tex]. Another light beam has wavelength [tex]\lambda_2[/tex] and frequency [tex]f_2[/tex]. Write a proportion that shows how the ratio of the wavelengths of these two light beams is related to the ratio of their frequencies.

📝 Answered - What was the approximate distance between Britain and its North American colony? A. 1,500 miles B. 2,800 miles C. 3,700 miles D. 4,900 miles Approximately how many degrees east of Britain is Western Australia? A. 40° B. 80° C. 120° D. 140°

📝 Answered - The mean distance from Saturn to the sun is 9 times greater than the mean distance from Earth to the sun. How long is a Saturn year?

📝 Answered - A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.

📝 Answered - If vascular plants have so many advantages, why do nonvascular plants still exist on Earth today?

📝 Answered - A child throws a ball up in the air to a height of 3.5 m and catches it at the same point from which it was thrown. The ball is in the air for a total of 1.7 seconds. What is the average velocity of the ball?

📝 Answered - Two long tubes of muscle that lead from the stomach and help absorb food are the _ and the _____.

📝 Answered - If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?

📝 Answered - What does it mean to say that momentum is conserved?

📝 Answered - If the total length of all the edges of a cube is 4 feet, what is the volume of the cube?