Lightning flashed, and after 7 seconds there was a roll of thunder. To the nearest meter, determine how far lightning flashed from us,

if the speed of sound is 337 m / s.

2) If the current in any circuit reach to infinity then its resistance becomes

A mass is hung from a spring and set in motion so that it oscillates continually up and down. The velocity v of the weight at time t is given by the equation v=-2 cos (3πt) with v measured in feet per second and t measured in seconds.

Show the calculation of the energy involved in melting 120 grams of ice at 0oC if the Heat of Fusion for water is 0.334 kJ/g.

A student practicing for a track meet ran 240 meters in 30 seconds. What was her speed?

All matter has electrical and magnetic properties because the atoms that make up matter are held together by electromagnetic forces. What do we call this fundamental property?

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking

Despite valid research, in the late 1900s, women and minorities were thought to have a higher level of intelligence than white males

Radio communications were severely Distributed last week And the local newspaper says that solar activity is to blame. Which type of solar activity could the newspaper be talking about?

Why is it important for car designers to keep accurate records of their experimental procedures

When you bring the negatively charged balloon near a rod, how do the electrons move? The electrons move away from the balloon. The electrons do not move. The electrons move toward the balloon.