Which type of Axe head design will require the least amount of effort force to chop wood

short and wide

long and wide

long and thin

short and thin

who developed the quantum theory? who is remembered as the father of nuclear science? who developed the theories of relativity?

The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be A. accelerated toward the cathode. B. attracted to the anode instead of the grid. C.

Your boss asks you to compare two sound waves and determine which has a higher frequency. Wave A has a period o 4/100 second and Wave B has a period of 1/7 second. What would you tell your boss? A. Wave A has the higher frequency.

What has four fingers and a thumb, but is not living?

15. A machine must move an object 15.1 meters by exerting a 121 Newton force. If the machine get the job done in 2.3 minutes, how much power must the machine's motor provide?

1. How many electrons does the K level of an atom hold?

A puck traveling at 6 m/s in the + x direction hits a wall and bounces back. Right after the collision with the wall it is traveling in the - x direction at 6 m/s.

Sunlight, wind, and running water are essentially "free." Yet renewable energy sources are a very small part of our energy consumption. Why is this?

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is Nm. If the same force moves the same cart three times that distance, the work done is Nm. NextReset

What is the critical angle c for total internal reflection if the material is clear acrylic, with a refractive index of 1.5?