What is the approximate weight of a 20-kg cannonball on earth?

a. 2 n

b. 20 n

c. 200 n

d. 2000 n?

What is the mach to term of kinetic energy

Which is an example of a colloid?

The process of cutting lines of magnetic flux with a conductor, and generating voltage, is the basisi of alternator and generator operation. True / False.

At which angles relative to the centerline perpendicular to the doorway will someone outside the room hear no sound?

Which of these would not be a reason for prescribing a selective burn of a national forest? A) Reduction of natural fuel for wildfires B) Reduction of wildlife and livestock habitats C) Preparation of the site for planting new seedlings D) Removal

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False

How to solve indices