A 37 kg runaway shopping cart is rolling toward Elon’s shiny new tesla at 4.5 m/s. If he exerts a 70 N force to stop the cart, how much distance will the cart roll while it is being stopped?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?