11-25-2013, 08:32 PM
TOTAL MARKS: 30
Due Date: 28/11/2013
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Question # 1
A juggler (as shown above) throws each ball so it hangs in the air for 1.60seconds before landing
in the other hand, 75cm away. What are the initial vertical and horizontal velocity components?
Marks = 8
Question # 2
When do you usually drop a ball
you instead throw it downward, then its acceleration instantly after departure your hand,
assuming no air resistance, is?
Question # 3
The 7- ball is traveling to the right above strikes the 9
the left with a smaller velocity. Which statement below is true?
a) Before the collision, the momentum magnitudes of the two balls are equal.
b) After the collision, the momentum magnitudes of the
c) The total amount of momentum before and after the collision is same.
d) During the collision, the amount of force that the two balls apply to each other will be
unequal.
e) The change in momentum of the two balls during the collision is dif
Write the reason of your above selected choice as well.
Question # 4
In which type of frame of reference Newton s laws holds. Give your opinion about the Earth,
Either it is inertial or non inertial.
from a certain height it accelerates downward at 9.8 m/s
9-ball, which is of equal mass and moving to
Marks = 3+4 = 7
two balls are equal.
different.
2? If
Marks = 4
ferent.
Marks = 4
Question #
1.jpg (Size: 66.38 KB / Downloads: 510)
2.jpg (Size: 71.58 KB / Downloads: 448)
A juggler (as shown above) throws each ball so it hangs in the air for 1.60seconds before landing
in the other hand, 75cm away. What are the initial vertical and horizontal velocity components?
Marks = 8
Question # 2
When do you usually drop a ball
you instead throw it downward, then its acceleration instantly after departure your hand,
assuming no air resistance, is?
Question # 3
The 7- ball is traveling to the right above strikes the 9
the left with a smaller velocity. Which statement below is true?
a) Before the collision, the momentum magnitudes of the two balls are equal.
b) After the collision, the momentum magnitudes of the
c) The total amount of momentum before and after the collision is same.
d) During the collision, the amount of force that the two balls apply to each other will be
unequal.
e) The change in momentum of the two balls during the collision is dif
Write the reason of your above selected choice as well.
Question # 4
In which type of frame of reference Newton s laws holds. Give your opinion about the Earth,
Either it is inertial or non inertial.
from a certain height it accelerates downward at 9.8 m/s
9-ball, which is of equal mass and moving to
Marks = 3+4 = 7
two balls are equal.
different.
2? If
Marks = 4
ferent.
Marks = 4
Question #
1.jpg (Size: 66.38 KB / Downloads: 510)
2.jpg (Size: 71.58 KB / Downloads: 448)