What is the apparent magnitude of the brightest star in the Big Dipper?

A linear accelerator uses alternating electric fields to accelerate electrons to close to the speed of light.

The drag force pushes opposite your motion as you ride a bicycle. If you double your speed, what happens to the magnitude of the drag force? A) The drag force goes up by a factor of 4 B) The drag force stays the same. C) The drag force decreases.

Why the center of mass of the fragments of the projectile continues along the same parabolic path which it would have followed if there were no explosion.

A 5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt immediately after lunch. What is the velocity v of the smaller fish before lunch?

A 25kg ball is thrown into the air. when thrown it is going 10 m/s. calculate how high it travels?

How many basic types of electronic signals are there? two four three ten

Cual es el peso de 5L de un fluido que tiene una densidad 3.5 veces mayor que la del agua?

Two identical particles of charge 6 μμC and mass 3 μμg are initially at rest and held 3 cm apart. How fast will the particles move when they are allowed to repel and separate to very large (essentially infinite) distance?

The chemical combination of two or more different atoms in fixed amounts is called a (n) element. compound. orbit. mixture.

Use each of the following terms in a separate sentence. 1. Thermal energy 2. First law of thermodynamics 3. Temperature 4. Specific heat