a car is traveling at a constant speed of 14 meters per second along a straight highway. a tree and a speed limit sign are beside the highway. as it passes the tree the car starts to accelerate the car is accelerated uniformly at 2.0 meters per second ^2 until it reaches the speed limit sign 5.0 second later (what is the distance between the tree and the sign?)
Answers: 2
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 21.06.2019 23:30
Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane
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Physics, 22.06.2019 20:00
Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?
Answers: 3
a car is traveling at a constant speed of 14 meters per second along a straight highway. a tree and...
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