143m/s if you just perhaps by what you know you'll figure it out
Thermal energy is converted to radiative energy via molecular collisions and released as photons.
A. is the right answer since work is negative and Q which is heat in negative also
Explanation:
The test for hydrogen consists of holding a burning splint held at the open end of a test tube of gas. If the gas is hydrogen it burns with a loud “squeaky pop” which is the result of the rapid combustion of hydrogen with oxygen to produce water.
Answer:

Explanation:
From the question we are told that:
Initial Speed 
Time 
Angle
Generally the Newton's equation for motion is mathematically given by


