If a marble is released from a height of 10 meters how long would it take to hit the ground?

The law of reflection states that if the angle of incidence is 40 degrees, the angle of reflection is ___ degrees.

Food has chemical potential energy, which is the energy stored in the bonds between two atoms. This energy is released when what occurs?

A powerful missile reaches a speed of 5 kilometers per second in 10 seconds after its launch. What is the average acceleration of the missile during this period? a) 0.2 meters/second^2 b) 0.4 centimeters/second^2 c) 0.5 meters/second^2 d) 0.

Why does sound travel faster under water?

a loaded freight car A with a mass of 24000 kg moves at a constant velocity of 8 m/s in a horizontal railroad track and collided with an empty stationary car B with a mass of 8000 kg.

If b is the amplitude of the magnetic field vector, find the complete expression for the magnetic field vector b⃗ of the wave.

An electron and a proton are separated by a distance of 1 m. What happens to the size of the force on the first electron if a second electron is placed next to the proton?

Airbags will deploy no matter from what angle your car is hit.

Sebuah benda berjarak 8 cm di depan cermin cekung yang memiliki fokus 12 cm. perbesaran bayangan yang dihasilkan adalah? tentukan juga M nya?

How does gravity correspond to the bending of the space-time fabric