Who invented the electric scoreboard

The current through a 12v lamp when it is connected to a 12v battery is 2.0 A. Calculate the resistance of the lamp at this current

Quando e como surgiu a ginastica rítmica no mundo e no Brasil?

Is there such a thing as real time weather radar? why not?

Which of the following is considered an individual sport?

If a 79.6 kg dancer stands on one toe, what is the magnitude of pressure exerted on that toe to support his weight? (Magnitude only! No negative numbers) *Assume that tip of the dancer's toe has a radius of 0.02 m and has a circular area of contact.

Explain how Newton's cradle demonstrates the law of conservation of energy.

One electron collides elastically with a second electron initially at rest. After the collision, the radii of their trajectories are 1.00 cm and 1.90 cm. The trajectories are perpendicular to a uniform magnetic field of magnitude 0.0500 T.

A teacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and pH indicator strips, which measure acidity.

Which of the following statements is representative of the second law of thermodynamics? Heat represents a form of energy that can be used by most organisms to do work.

What are the largest particles formed from the breakdown of rock? what are the largest particles formed from the breakdown of rock? gravel silt clay sand?