How will the frequency of a wave appear to change if the source of the wave is moving toward an observer

What is the major energy resource used to generate electricity around the globe and why?

What is the density of an object with a mass of 100.8 g and a volume of 144 cm3

Human activity influences the hydrology of a drainage basin. All but one identifies how urban developed areas often contribute to flooding. That is:

Muscles in animals are often found in pairs, because A. muscles can only produce a force as they relax. B. muscles can only pull. C. muscles need to be able to both push and pull. D. muscles can only push.

Find the volume of a box with a length of 5 cm, a width pf 5cm, and a height of 10cm.

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect