A wrench is used to tighten a nut. A 15N perpendicular force is applied 50cm away from the axis of rotation and moves a distance of 10cm as it turns. What is the turning force applied to the wrench?

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f