A bullet of mass 0.65-kg is fired from a 4.0-kg gun with a speed of 5.0 x 10 m/s. What is the recoil velocity of the gun?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f