Which of the following is NOT a force that influences the wind? A. coriolis effect B. magnetic field C. pressure gradient D. friction

A piece of paper is 30 cm tall and 20 cm long. What is its area in m2?

What part of the crane is used to lift and lower the load? a. block b. boom c. hoist d. jim?

A long solenoid that has 1 170 turns uniformly distributed over a length of 0.420 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur?

If you double the velocity of a moving object, how is it's momentum affected?

A rock is dropped from a sea cliff, and the sound of it striking the ocean in heard 3.2. s later. If the speed of sound is 340m/s, how high is the cliff?

Which statements are true? A. Science is a collection of facts that does not evolve. We have gained all the knowledge we can from science. B. Scientists observe natural events occurring around them.

How many types of quarks are there and what is the name of one of them

A windmill produces 1400 watts of electric power that is used to heat water. The efficiency is 100%. How long will it take to raise the temperature of 40 gallons of water by 50∘F?

What is a chemical energy

Multiple sound waves reflections in a room are called?