1. What is the kinetic energy of a vehicle that has a mass of 2000.0 kg that is driving at a constant speed of 40.0 m/s?
2. What is the kinetic energy of a vehicle with a constant speed of 35.0 m/s with a mass of 4500 kg?
3. What is the mass of an animal with a kinetic energy of 12,500 J and a constant speed of 15.0 m/s?

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

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