Lecture-13
Assignment Questions
. .
1. (Ref. text book-7.3) A-120-kg mail bag hangs by a vertical rope 3.5 m long. A postal
worker then displaces the bag to a position 2.0 m sideways from its original position,
always keeping the rope taut. (a) What
Lecture-12
Assignment Questions
. .
1. (Ref. text book-6.1) A pump fills a tank of capacity 300 m3 in 5h. The tank is situated at
the height of 20m from the water level. If the efficiency of the pump is 65% calculate the
power of the engine which has
SHIV NADAR UNIVERSITY
Department of Physics
Introduction to Physics I (PHY 101)
Monsoon semester 2014-15
(Tutorial 4)
1. A particle sliding along a radial groove in a rotating turntable has polar coordinates at
time t given by r = ct, = t, where c and are
SHIV NADAR UNIVRSITY
Department of Physics
Introduction to Physics I (PHY 101)
Monsoon semester 2014-15
(Tutorial 2)
1. A golfer takes three strokes to get his ball into the hole once he is on the green. The first
stroke displaces the ball by 12 m north,
Problems based on Gradient, Divergence and Curl
PROBLEM 1
Griffiths
PROBLEM 2
Griffiths
PROBLEM 3
Griffiths
(You should take r for this problem as the three-dimensional position vector.)
P
PH101 (Physics-I)
Tutorial-II (August 4, 2014)
[Newtons laws]
1. An object is dropped from the top of a building and is in view for time T0 while
passing a window of height HW located at a certain altitude. Estimate the distance
travelled by the object be
PHY 101
(Tutorial 1)
1. Estimate the total mass of oceans by taking the average ocean depth to be 4
km, the density of ocean water to be 1.02 g/cm3 and radius of the earth as
6103 km. Use the information that oceans cover about 75% of the surface of
the E
Q1
The uniform solid block in the figure has mass 25.7 kg and edge lengths a = 0.998 m, b = 1.42 m, and c = 0.126 m. Calculate its rotational inertia about an axis
through one corner and perpendicular to the large faces.
A.
Taking an element of of width d