In a car with a mass of 4,000 KG is accelerating at a rate of 2m/s2 and hits a tree what force does it have Answer fast please

Determine the maximum r-value of the polar equation r =3+3 cos 0

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.