Asked by dark1

1) The kinetic energy of an object depends on which of the following?
A. the object’s mass and direction
B. the object’s speed and mass----------
C. the object’s work and direction
D. the object’s speed and work

2) In the following situations, which one does not have kinetic energy?
A.
a baseball in a catcher’s glove---------
B. a lady walking slowly across the street
C. a hockey puck sliding on the ice
D. a man running around a track

3) All of the following objects are moving at the same speed. Which one has the greatest kinetic energy?
A. a bicycle
B. a motorcycle
C. a car
D. a semi tractor-trailer truck---------

4) What is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0 m/s?
A. 5.0 J--------------------------------
B. 6.5 J
C. 10.0 J
D. 12.5 J

5) A ball is thrown straight up in the air. When will its kinetic energy be the least before it is caught?
A. at the start of its flight
B. halfway to the top of its flight
C. at the end of its flight-------------
D. at the top of its flight


Answered by Anonymous
1. correct
2. correct
3. correct
4. Wrong; D is correct
%. Wrong; D is correct

For the most part, you were close!
Answered by dark1
Ty so much! :)
Answered by dark1
But how did u get D. for #5? I don't understand that one most of all:/
Answered by dark1
I mean D. for #4? not 5 ooops :(
Answered by Damon
4 ---> 12.5 Joules
5 ---> v = 0 at the top
Answered by dark1
ok ty
Answered by Aspen
Was number five correct?
Answered by young
the kinetic energy of AN object depends on which of the following
Answered by mike
ty for helping me i got an 100%
Answered by kai
anwser a anwser a anwser a anwser a anwser a anwser a