What is a sentupeed?

What is the structural difference between a solenoid and an electromagnet? If a point charge q of mass m is released in a nonuniform electric field with field lines pointing in the same direction will it make a rectilinear motion? What are some translucent objects? How do you calculate the weight of an object under water? What is the movement of static electricity into an object called? What happens to your dryer if the load is soaking wet? What happens to guys when they get turned on? What is the wavelength of an infrared wave with a frequency of 4.2 x1014? How does heat energy affect evaporation? Is a earphone wire a insulator or a conductor? When a body is falling freely which force act on it? Can an object have speed but no displacement? How much energy can wind mils produce on a windy day? What can change the boiling point of water? Which is vector speed or velocity? How can you say something without saying what it is example lightinings? How do you write one hundredth of a second? Is Electricity is considered a primary energy source? How is your hand cold when you put it on an iron railing? How does the width of the slit in single-slit diffraction affect the appearance of the dark fringes?