A current of 4.7A is drawn by a laptop with a power output of 90W. What size voltage should the charger for the laptop provide?

A moving object can be in equilibrium. Explain.

6. The peak value of an AC sine wave is 120 V. What's the effective value (rounded) ? A. 65 V B. 85 V C. 200 V D. 140 V

Which is a property of every homogeneous mixture?

Use the drop-down menus to complete each statement. A cluster of atoms whose magnetic fields are aligned in the same d The end of a magnet where the force is the strongest is the The region where a magnetic force is exerted is the A substance that

Match the following 1. unit an object that orbits the Sun, is spherical, and has cleared its orbit of other large objects 2.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

According to bohr's theory, how do electrons move around the nucleus

On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling.

How long will it take you to swim 100 meters if you swim at a speed of 12.5 m/s?

What are the two factors that determine an objects gravitational potential energy