A rock is suspended by a light string. when the rock is in air, the tension in the string is

How do the wavelengths of television signals compare to those used for other forms of communication?

4-True-False (experiment 6) : a) 1 / (f^2) vs output current is a straight line (f is frequency) b) Magnetic field of Helmholtz coil and earth are constant during the experiment. c) The sign of B_axial in experiment 6.

Which vessels have a tunica media with relatively more smooth muscle than elastic tissue, and an elastic membrane on each face of the tunica media?

The force supplied by a spring depends on what?

How long does it take for the moon to rotate on its axis?

What is the difference between electromagnet and electromagnetism?

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

How do I find the specific heat of an object?

In order to be considered scientific, evidence must be:

An unknown material has a mass of 5.61 kg, and its temperature increases by 0.124°C when 1320 J of heat are added. What is the specific heat of the material? (Unit = J / (kg*C))