How many elements have scientists named?

How does an electric generator work? A The axle rotates the armature in the magnetic field of a permanent magnet, which induces an electric current.

A resistor is made by winding a very long thin metal wire, insulated so adjacent coils do not touch. At room temperature, the resistance is 100 ohms. If the resistor is then cooled to 77 K, the resistance: A. changes only slightly, if at all. B.

Which statement describes redshifts? Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a shorter wavelength.

An object is represented by the dot on a motion map. What is the best description for the motion of this object? The object is moving with a constant speed. The object is moving with a constant acceleration. The object is standing still.

What is the difference between a permanent magnet and an electromagnet

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter

Name one way that a mixture can be separated

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.