A very long wire generates a magnetic field of 0.0020x 10^-4 T at a distance of 10 mm. What is the magnitude of the current? A) 2.0 mA B) 3100 mA C) 4000 mA D) 1.0 mA

Convert 10 kilometers to feet.

In hydrogen, the transition from level 2 to level 1 has a rest wavelength of 121.6 nm. 1). Find the speed for a star in which this line appears at wavelength 120.4 nm. 2). Find the direction for a star in which this line appears at wavelength 120.

Straw polls are___. A. scientifically based B. representative samples C. biased sampling D. cluster samples

A tiny sphere of mass 7.70 mg and charge - 2.80 nC is initially at a distance of 1.64 μm from a fixed charge of + 8.69 NC. (a) If the 7.70-mg sphere is released from rest, find its kinetic energy when it is 0.500 μm from the fixed charge.

A packet of light energy is called a a. wavicle. b. photon. c. wave. d. photoelectron.

A sports car moving at constant speed travels 115m in 5.3 s. If it then brakes and comes to a stop in 4.0 s, what is it's acceleration? Express the answer in terms of g's, where g = 9.

Question 11 1 pts Nuclear power plants rely on to generate power. O climate change O fusion Ofission O coal

Which of the following is not a characteristic that geologists use to identify minerals? A. Softness B. Color C. Streak D. Fracture

To practice Tactics Box 10.1 Calculating the work done by a constant force. To find the work done on an object by a force, begin with a visual overview and follow Tactics Box 10.1.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false