Zinc is best used for making

a. glass

b. walls

c. screws

d. fertilizers

Q2: The RMS potential difference of an AC household outlet is 117 v. a) What is the maximum potential difference across a lamp connected to the outlet? b) If the RMS current through the lamp is 5.5 A, what is the lamp's maximum current?

Active transport is a process that uses energy to move materials through a

When the temperature of the air is 25 degrees Celsius the velocity of a sound wave traveling through the air is approximately

The phases of the moon depend on how much of the lighted side of the moon can be seen from Earth. t or f

The space shuttle passes over mission control in Texas. After it flies a distance of 1,600,000 meters it is above Florida.

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?