Two carts can slide without friction on airtrack. The first cart is initially mo
ID: 2139134 • Letter: T
Question
Two carts can slide without friction on airtrack. The first cart is initially moving with a velocity +v, while the second cart is moving with a velocity ?v. Which one of the following is true after they collide elastically?
Both carts continue with +v.
Both carts continue with +v/2.
The first cart continues with ?v, the second cart with +v.
The second cart continues with +v, the first car is at rest.
None of the above.
Which one of the following is true after they collide totally inelastically?
Both carts stop.
The first cart continues with ?v, the second cart with +v.
The second cart continues with +v, the first car is at rest.
Both carts continue with +v.
None of the above.
Explanation / Answer
1). The first cart continues with ?v, the second cart with +v. 2). Both carts stop.
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