A material that can permanently deform extensively before breaking is ______________.
Fill in the blank(s) with the appropriate word(s).
plastic
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A 5000-kg freight car moving at 2 m/s collides with a 10,000-kg freight car at rest. They couple upon collision and move away at
A) 2 m/s. B) 1 m/s. C) 2/3 m/s. D) 1/3 m/s.
Imagine nuclear fusion suddenly ceases in the Sun's core. How long would it take for us to discover the problem, and how could we discover it? How long would it take for us experience the negative consequences of this change, and why?
What will be an ideal response?
The sky is blue due to air molecules scattering sunlight in all directions
a. True b. False Indicate whether the statement is true or false
High-speed stroboscopic photographs show that the head of a golf club of mass 200 grams is traveling at 55.0 m/s just before it strikes a 46.0-gram golf ball at rest on a tee. After the collision, the clubhead travels (in the same direction) at 40.0 m/s. Find the speed of the golf ball just after impact