How do you make a sound wave's pitch lower?

A wire on the left with 9 coils and labeled primary winding. Another coil is near it with 3 coils labeled secondary winding V subscript 2 baseline equals 120. Use the values provided to calculate the initial voltage at the primary winding. V1 = ? V

What material is rare in the atmosphere of earth, but common in the atmospheres of mars and venus?

Four charges are the corners of a square with B and C on opposite corners. Charges A and D on the other two corners have equal charge while both B and C have a charge of + 1.0 C. What is the charge on A so that the force B is zero?

What causes the sky to be blue

Does a volcano contain a medium? Does the energy travel through anything - the transverse waves?

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas

If you get something in your eyes in the lab, what is the most important thing to do?

In the physics of motion a force acting over a distance is?

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30