How our fish adapted to thier enviorment?

There are four springs stretched by the same mass. Spring A stretches 25 cm. Spring B stretches 10 cm. Spring C stretches 100 cm. Spring D stretches 1 cm. Which spring has the largest spring constant? A B C D

Which statement best explains why Earth is not a perfect sphere? Earth revolves too quickly around the Sun Earth's spin on its axis causes the equator to bulge The circumference of the Earth is greater at its poles The gravity of the moon changes

How fast would the moon need to travel in order to escape the gravitational pull of Earth, if Earth has a mass of 5.98 X 1024 kg and the distance from Earth to the moon is 3.84 x 108 m?

How much force is needed to produce an acceleration of 20ms^2 in a body of mass 500gm

What should a graph of the velocity vs time look like if it shows an object moving toward the motion detector at a constant speed? a. An upwards curved parabola. b. A downwards curved parabola. c. A straight line with zero slope. d.

Why do we see different faces of the moon? Why is it not always a full moon?

What is the resistance of a circuit with a voltage of 10 volts and a current of 5 amps?

What mass of water will fill a tank that is 100.0 cm long, 50.0 cm wide, and 30.0 cm high? Express the answer in grams.

How do air quality scientists ensure the air is cleaned? What steps do they take?

A 4.0 * 102-nm thick film of kerosene (n = 1.2) is floating on water. White light is normally incident on the film.