HELP NEED THIS FOR A TEST AND IT IS TIMED!!25 Points if a car increases its speed from 45 km/h to 80km/h in 14 seconds, what is the rate of acceleration

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.