What lunar phase would be observed from the earth, if the moon were at a 90° angle with the earth and sun?

A 31.7 kg kid, initially at rest, slides down a frictionless water slide at 53.2º. How fast is she moving 3.45 s later?

A little boy sitting on the floor tosses a ball in such a way that it reaches the level of a tabletop several meters away, moving horizontally, and rolls across the tabletop at constant speed if friction with the air and the tabletop can be ignored,

Which two properties of light relate to the amount of energy carried by the light? A. speed and amplitude B. frequency and period C. color and wavelength D. frequency and amplitude

Rapid gas exchange can be accomplished more easily in air than in water because A. the O2 content of water is higher than that of air B. O2 diffuses more rapidly in water than air C. water is more dense and viscous D.

Is the arctic ocean larger than the indian ocean?

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?