A copper wire has a diameter of 1.02mm and carries

a constant current of 1.67A. If the density of

free electrons in copper is 8.5 x10 to the power 28 per meter cube. calculate

the current density and drift velocity of the electrons

A 4.33 kg cat has 41.7 J of KE How fast is the cat moving?

A hypothesis has what in common with a phenomena

Why do sound waves travel around corners better than light waves? Sound waves

As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. The spacecraft's mass is 2,425 kg and the thrust (force) of the rocket engines is 385 N.

A 900-N lawn roller is to be pulled over a 5-cm (high) curb. Radius of roller is 25 cm. What minimum pulling force is needed if angle made by handle is (a) 0 deg (b) 30 degrees?

Un lote de construcción rectangular mide 100 metros por 150 metros. Calcula el área de este lote en yardas cuadradas. (20 puntos)

4. The place on a magnet where the magnet exerts the strongest magnetic force is the magnetic A. pole. B. force. C. domain.

A motorcycle is capable of accelerating at 5.1 m/s2. Starting from rest, how far can it travel in 1.5 seconds? A. 3.8 m B. 4.5 m C. 3.2 m D. 5.7 m

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

An element in period 4 would have how many electron shells