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A stepped disc of mass M and radius R is pivoted at its center C smoothly. An inextensible string connected with a light spring of stiffness k passes over the pulley. One end of the string
30
Oct
A stepped disc of mass M and radius R is pivoted at its center C smoothly. An inextensible string connected with a light spring of stiffness k passes over the pulley. One end of the string A stepped disc of mass M and radius R is pivoted at its center C smoothly. An inextensible string [...]
A stepped pulley having mass m, radius R and radius of gyration k is connected with two ideal springs of stiffness k1 and k2 as shown in the figure. If the pulley rolls without
30
Oct
A stepped pulley having mass m, radius R and radius of gyration k is connected with two ideal springs of stiffness k1 and k2 as shown in the figure. If the pulley rolls without A stepped pulley having mass m radius R and radius of gyration k is connected with two ideal springs of stiffness [...]
A person normally weighing 60kg stands on a platform which oscillates up and down simple harmonically with a frequency 2Hz and an amplitude 5cm. If a machine on the platform gives the person’s weight, then (i) The maximum reading of machine will be 108kg (ii) The maximum reading of machine will be 90kg (iii) The minimum reading of machine will be 12kg (iv) The minimum reading of the machine will be zero
30
Oct
A person normally weighing 60kg stands on a platform which oscillates up and down simple harmonically with a frequency 2Hz and an amplitude 5cm. If a machine on the platform gives the person’s weight, then (i) The maximum reading of machine will be 108kg (ii) The maximum reading of machine will be 90kg (iii) The [...]
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A person normally weighing 60kg stands on a platform which oscillates up and down simple harmonically with a frequency 2Hz and an amplitude 5cm. If a machine on the platform gives the person's weight ,
As shown in figure a simple harmonic motion oscillator having identical four springs has time period ,
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h . What is the (a) magnitude of average velocity, and (b) average speed of the man over the interval of time (i) 0 to 30 min, (ii) 0 to 50 min (iii) 0 to 40 min? [Note: You will appreciate from this exercise why it is better to define average speed as total path length divided by time and not as magnitude of average velocity. You would not like to tell the tired man on his return home that his average speed was zero!]
30
Oct
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h . What is the (a) magnitude of average velocity, and (b) average speed of the man [...]
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Chapter 9 - Rotation
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NCERT Exemplar Class 11
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1) is: ,
A force of -F k acts on O ,
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed ,
and (b) average speed of the man over the interval of time (i) 0 to 30 min ,
he instantly turns and walks back home with a speed of 7.5 km/h . What is the (a) magnitude of average velocity ,
respectively ,
the origin of the coordinate system. The torque about the point (1 ,
The position-time (x-t) graphs for two children A and B returning from their school O to their homes P and Q ,
A uniform disc of mass m and radius R is connected with two light springs 1 and 2. The springs are connected at the highest point M and the CM ‘N’ of the disc. The other ends
30
Oct
A uniform disc of mass m and radius R is connected with two light springs 1 and 2. The springs are connected at the highest point M and the CM ‘N’ of the disc. The other ends A uniform disc of mass m and radius R is connected with two light springs 1 and 2. [...]
Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes. A man cycling with a speed of 20 km/h in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion, and every 6 min in the opposite direction. What is the period T of the bus service and with what speed (assumed constant) do buses ply on the road?
30
Oct
Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes. A man cycling with a speed of 20 km/h in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion, and every [...]
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Chapter 2 - Motion in a Straight Line
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Chapter 9 - Rotation
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NCERT Exemplar Class 11
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Physics
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To determine the MI of an object, we can use torsional pendulum method. If the torsional constant of the apparatus (a disc suspended by a thread) is C = 16 Nm/rad. If the empty
30
Oct
To determine the MI of an object, we can use torsional pendulum method. If the torsional constant of the apparatus (a disc suspended by a thread) is C = 16 Nm/rad. If the empty To determine the MI of an object we can use torsional pendulum method. If the torsional constant of the apparatus (a [...]
As shown in figure a simple harmonic motion oscillator having identical four springs has time period
30
Oct
As shown in figure a simple harmonic motion oscillator having identical four springs has time period As shown in figure a simple harmonic motion oscillator having identical four springs has time period October 30, 2020 Category: Cengage NEET by C.P Singh , Chapter 13 - Simple Harmonic Motion , Part 1 ,
A jet airplane travelling at the speed of 500 kmh^1 ejects its products of combustion at the speed of 1500 kmh^1 relative to the jet plane. What is the speed of the latter with respect to an observer on the ground ?
30
Oct
A jet airplane travelling at the speed of 500 kmh^1 ejects its products of combustion at the speed of 1500 kmh^1 relative to the jet plane. What is the speed of the latter with respect to an observer on the ground ? 1) is: A force of -F k acts on O respectively the origin [...]
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Chapter 2 - Motion in a Straight Line
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Chapter 9 - Rotation
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NCERT Exemplar Class 11
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Physics
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A car moving along a straight highway with speed of 126 kmh^−1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform), and how long does it take for the car to stop ?
30
Oct
A car moving along a straight highway with speed of 126 kmh^−1 is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform), and how long does it take for the car to stop ? A car moving along a straight highway with speed of 126 [...]
Posted in:
Chapter 2 - Motion in a Straight Line
,
Chapter 9 - Rotation
,
NCERT Exemplar Class 11
,
Physics
,