How does radiation help treat cancer? It cools down the cancer cells and weakens them.
It cools down the non-cancerous cells and strengthens them.
It heats up the cancer cells and weakens them.
It heats up the non-cancerous cells and strengthens them.

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600