Currently biological weapons

Formula for refractive index

Lasers can be used in in place of a knife.

How can a charged atom (an ion) attract a neutral atom? 1. An ion polarizes a nearby neutral atom, so that the part of the atom nearer to the ion acquires a charge opposite to the charge of the ion, and the part of the atom farther from the ion

A baseball has a mass of 140 grams, traveling at 30 m/s moves a fielders glove backward 35 cm when the ball is caught. What is the average force exerted by the ball on the glove

Which of the following statements about flux are true? The unit of flux is Nm2/C The total flux through a surface completely enclosing a charge q is q/ε The total flux through a closed surface can be positive or negative, depending on whether the

How does gravity relate to a streams ability to a erode and deposit materials

When Sr and F combine to form a compound, which atom (s) will become an anion?/ a Sr only b F only / c both Sr and F d neither Sr nor F

A bomb initially at rest on a smooth, horizontal surface is exploded into three pieces. Two pieces fly off at 90o to each other, a 2.0 kg piece at 20 m/s and a 3.0 kg piece at 12 m/s. The third piece flies off at 30 m/s.

Hubble measured the velocity of the movement of galaxies by using

Force is measured in newtons. A newton is based on base units in the metric system. What is a newton equal to in terms of units of mass and acceleration