How many hydrogen atoms could bind with oxygen

If a bloom of steel with a mass of 300kg accelerated 2m/s2 what I the force

A system does 300 J of work at the same time that 1000 J of energy is transferred to the system as heat. What is the change in the system's internal energy?

What are the two most common ways to produce hydrogen gas used in fuel cells?

Which of the following have circular orbits? moons comets planets none of the above

If It took 40 sec for a vehicle or weight 40,000 newton to move round 7meltes What time will it achieve same reat for anothercircular path or radius 21 metres given that the condition Condition of the vehicle remains the same

A 0.0010-kg pellet is fired at a speed of 50.0m/s at a motionless 0.35-kg piece of balsa wood. When the pellet hits the wood, it sticks in the wood and they slide off together. With what speed do they slide?

Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

Explain and give an example of newtons 3rd law of motion

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.