A car was stopped at a stoplight for 30 seconds. The car quickly sped up to the speed limit (35 miles per hour). It then traveled for 20 seconds at 35 miles per hour
and then came up to a school zone. The car slowed its velocity to 20 miles per hour
for 20 seconds while traveling in the school zone. Graph this car's journey.

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?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How do we measure or think of speed in the united states?