If an object accelerates from rest, with a constant acceleration of 6.4 m/s2, what will

its velocity be after 18s?

A car travels 20 km west, then 20 km south. what is the magnitude of its displacement? A) 0 km B) 20 km C) 28 km D) 40 km

A straight, cylindrical wire lying along the x axis has a length L and a diameter d. It is made of a material described by Ohm's law with a resistivity rho. Assume potentialV is maintained at the left end of the wire at x = 0.

What determines whether a charged object gains or loses electrons

The acceleration due to gravity on Earth is 9.80 m/s2. An African elephant can have a mass up to 6,050 kg. What is its weight?

A transformer has a primary coil with 600 turns and a secondary coild of 300 turns, if the output voltage is 320 volts, what is the input voltage?

On an appliance cord, what is the conductor and what is the insulator

A ceiling fan draws a current of 0.625 A and has a voltage of 120 V. The resistance of the ceiling fan, to the nearest whole number, is ___ Ω.

If an electrically neutral atom has 4 protons and 4 neutrons and it loses 2 electrons, what is its charge? A) positive 2 B) negative 2 C) neutral D) varies

In which atmospheric layer are almost all water-based clouds formed?

List several examples that show how electrical energy and light energy are useful to you