CvLTAELG1AAv7GMjp8RSaPGsvS8 PHY101 Assignments no 01 Fall 2013 Solution required |
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PHY101 Assignments no 01 Fall 2013 Solution required

Assignment 1: (Fall 2013)

Due Date: 28/11/2013

DON’T MISS THESE Important instructions:

To solve this assignment, you should have good command over first 10 lectures.

Upload assignments (Microsoft word) properly through LMS, (No Assignment will be accepted through email).

Write your ID on the top of your solution file.

All students are directed to use the font and style of text as is used in this document.

Don’t use colorful back grounds in your solution files.

Use Math Type or Equation Editor etc for mathematical symbols.

Write to the point and avoid from unnecessary explanation. Don’t copy/paste from internet or any other source.

This is not a group assignment, it is an individual assignment so be careful and avoid copying others’ work. If some assignment is found to be copy of some other, both will be awarded zero marks. It also suggests you to keep your assignment safe from others. No excuse will be accepted by anyone if found to be copying or letting others copy.

Don’t wait for the last date to submit your assignment.

Question # 1

PHY101 Assignment 1 fall 2013_2

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 from a certain height it accelerates downwarrd at 9.8 m/s2? If you instead throw it downward, then its acceleration instantly after deparrture your hand,

assuming no air resistance, is? Marks = 4

Question # 3

PHY101 Assignment 1 fall 2013_1

The 7- ball is traveling to the rig ht above strikes the 9-ball, which is of equal mass and moving to the left with a smaller velocity. Which statement below is true? Marks = 3+4 = 7

a) Before the collision, the momentum magnitudes of the two balls are equaal.

b) After the collision, the momentum magnitudes of the two balls are equal.

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 eaach other will be unequal.

e) The change in momentum of the two balls during the collision is differennt.

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. Marks = 4

Question # 5

PHY101 Assignment 1 fall 2013

The coefficient of kinetic friction is 0.300. What is the magnitude of the tension force in the rope (shown in the figure)? Marks = 7

<<<<<<<<<<<<<<<<…………Good Luck…………>>>>>>>>>>>

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