GSc101 General Science Assignment # 02 Discussion And Solution 11 December Last Date

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GSc101 General Science Assignment # 02 Discussion And Solution Due Date 11 December For Fall 2014


Question # 1
A box of mass 50 kg covers a distance of 75 m in 5 minutes. The box is displaced by a rope making an angle 45 degree with horizontal. Find the amount of work done and power consumed to displace the box. Marks = 4+3
Question # 2
Energy can neither be created nor be destroyed, but can be converted from one form to another. Verify this statement by giving examples. Marks = 3+3
Question # 3
An object ‘momentum depends upon the object’s
Note: Select the best choice given below according to your best of knowledge, and also write the reason of your selected choice as well.
a) mass speed and acceleration
b) mass speed and direction of motion
c) speed and acceleration
d) velocity and direction of motion
e) mass and acceleration
Marks = 2+3
Question # 4
Calculate the molecular mass of the following substances:
H2O, H2SO4,C6H12O6 Marks = 3
Question # 5
A light ray strikes the surface of a pond at an angle 38.5°. At what angle is the ray refracted.
Marks = 4