If you put a straw into a glass of water, the straw looks to be bent, although nothing has really happened to the straw. The term that describes this property of light is A) absorption. B) diffraction. C) reflection. D) refraction

A car of mass 800 kg is travelling at 30 m/S. The car then brakes suddenly and stops with a braking distance of 75 m find the work done on the car by the brakes

Why can you not put diesel in a regular car?

A piece of silicon sample has a resistivity of 0.1 ω. Cm. Its thickness is 100µm. The electron mobility is 1350cm 2 v - 1sec-1. When a magnetic field of bz and an ix of 1ma is supplied, the hall voltage is found out to be - 70µv.

How to find a vector from magnitude and direction?

Which piece of playground equipment could be used to model and explain the movement of matter in the biosphere

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started