A 1904 kg car has a speed of 12 m/s when it hits a tree. The tree doesn’t move and the car comes to rest. Find the change in kinetic energy of the car. Answer in units of J.
a plane flying due east at 395 km/h, is hit by wind blowing at 55 km/h toward the west. what is the resultant velocity of the plane?
What is the 4th dimension? I have heard that it's time, it's a from of saying characteristic. I don't know I need help on this, it's bother me for the pass week.
Derek is riding his bike 10 mph. He takes 20 seconds to reach 15 mph. What is his acceleration? 0.25 mph/s 1.25 mph/s 4 mph/s cannot be determined
Radiation _____. occurs is solids occurs in liquids requires physical contact between molecules is the method of heat transfer used by the sun
A 100 kg object and a 10 kg object are dropped simultaneously in a vacuum. Which of the following statements is true? Both objects will accelerate at 9.8 m/s2 The 100 kg object will accelerate faster than the 10 kg object. The 10 kg object will accelerate faster than the 100 kg object. Air resistance will slow the fall of the 100 kg object more than the 10 kg object.
