A bird flying at 8 km/h in a 6-km/h crosswind has a resultant speed of

Which of the following describes a machine that is made up of a lever and a wedge? simple machine compound machine pulley efficiency

What is the importance of centripetal force

This type of polarization occurs when light strikes the atoms of a material. A) reflection B) refraction C) scattering D) transmission

Which type of wave can travel without a medium

When observing a specimen in a microscope you are told that the total magnification of the specimen is 630x assuming you are using a standard occular lens with a magnification of 10x what is the magnification of the objective lens?

What is area and perimeter

You are given three iron rods. Two of the rods are magnets but the third one is not. How could you use the three rods to definitively identify the unmagnetized rod?

A suitcase had a width of 55 cm. Which unit conversion fraction should you use to find the width in inches? A. 1 cm/2.54 in B. 1 in/2.54 cm C. 2.54 cm/1 in D. 1 in/1 cm

Which equation relates charge, time, and current? answer A / l = triangle q/t

Martha is measuring the barometric pressure in her back yard every thirty minutes. She records her data in the table below.