Compared to the earth would the sun appear to move more quickly across Mercury's sky or more slowly? Why?

A football player runs from his own goal line to the opposing team's goal line, returning to his ten-yard line, all in 26.6 s. Calculate his average speed and the magnitude of his average velocity. (Enter your answers in yards/s.) HINT

a meteor is falling towards the earth. If the mass and radius of the earth are 6*10^24 kg and 6.4*10^6 m respectively. Find the hieght of the meteor where its acceleration due to gravity is 4m/s^2

Which of the following causes ocean tides on earth only the sun only the moon the sun and the moon the sun, moon, and all the planets

How are forest fires beneficial to conifers like Jack Pines? a. Jack pine seeds are protected by forest fires. b. Pine cones are carried on the winds produced by forest fires. c. Forest fires release the seeds stored in Jack pine cones. d.

A wagon is accelerating down a hill. Which of the following statements are true? A. As the wagon approaches the bottom of the hill, the potential energy decreases and the kinetic energy increases. B.

Which of the following actions or events did not contribute to the Dust Bowl? Farmers in the Central U. S. had plowed grasslands to grow food crops to feed the increasing human population.

Why heat capacity for polymer higher than metal?

At which of the following angles will the sunlight received at a location on Earth spread out over the largest area? 1 - 90° 2 - 70° 3 - 40° 4 - 10°

Determina que unidades no corresponden a las unidades del SI

Lucy tells her classmates that while she was at the lake, she realized that when she dove underwater, she couldn't hear anything. Lucy thinks this is because sound can not pass from the air into the water.