A roller coaster has a mass of 425 kg. It sits at the top of a hill with height 66 m. If it drops from this hill, how fast is it going when it reaches the bottom? (Assume there is no air resistance or friction.)

The mRNA codon CCU could mutate to?

A penny is dropped from the top of the Chrysler Building (320 m high). How fast is it moving when it hits the ground?

If you stretch the nephron in a kidney from end to end they would be over 40 miles long explain how this structure directly relates to the function of the kidney

If the mass of a material is 48 grams and the volume of the material is 8 cm^3, what would the density of the material be?

What is the sum of the following set of three forces? Express the resultant force in Cartesian vector form, and give also the magnitude and direction of the resultant force.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.

Consider the following distribution of objects: a 3.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 1.40-kg object at (1.00, 0) m. Where should a fourth object of mass 7.

A Volt/Amp Is Also Known As.?

What's the difference between mass & weight & how they are measured