The spring is compressed by a distance a and released. The block again comes to rest when the spring is elongated by a distance `b`. During this

The spring is compressed by a distance a and released. The block again comes to rest when the spring is elongated by a distance `b`. During this
by

1 Answer

Answer :

The spring is compressed by a distance a and released. The block again comes to rest when the spring is ... coefficient of friction `=(k(a+b))/(2mg)`
by

Related questions

System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg`

Description : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg`

Last Answer : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The ... . 2 m/s D. `4sqrt(2) ` m/s

In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J

Description : In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J

Last Answer : Ans:(b) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false

A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring. a) 1200N b) 1500N c) 1800N d) 2000N

Description : A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring. a) 1200N b) 1500N c) 1800N d) 2000N

Last Answer : c) 1800N

A 2 kg block is dropped from a height of 4 metre onto a spring of force constant k = 1960 N/m. The spring will be compressed through a.1 cm b.4.5 cm c.3 cm d.8 cm e.107 dynes

Description : A 2 kg block is dropped from a height of 4 metre onto a spring of force constant k = 1960 N/m. The spring will be compressed through a.1 cm b.4.5 cm c.3 cm d.8 cm e.107 dynes

Last Answer : d. 8 cm

Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of the two pucks does one of the following. Does it: w) move in a circle x) move in the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Description : Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of ... the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Last Answer : ANSWER: Y -- REMAIN STATIONARY

On X-ray, the buccal roots of 16 is considerably elongated; this is a result of, A. Too great vertical angulation B. Inadequate vertical angulation C. Excessive object film distance

Description : On X-ray, the buccal roots of 16 is considerably elongated; this is a result of, A. Too great vertical angulation B. Inadequate vertical angulation C. Excessive object film distance

Last Answer : B. Inadequate vertical angulation

A simple pendulum consisting of a mass M attached to a string of length L is released from rest at an angle `alpha`. A pin is located at a distance l

Description : A simple pendulum consisting of a mass M attached to a string of length L is released from rest at an angle `alpha`. A pin is located at a distance l

Last Answer : A simple pendulum consisting of a mass M attached to a string of length L is released from rest at an angle `alpha` ... ^(-1) [(L cos alpha-l)/(L+l)]`

A ball moving with uniform velocity comes to rest in a distance of 72 m in 6 s. Its initial velocity and retardation are (a) 12 m/s and 2 m/s2 (b) 12 m/s and 4 m/s2 (c) 24 m/s and 8 m/s2 (d) 24 m/s and 4 m/s2

Description : A ball moving with uniform velocity comes to rest in a distance of 72 m in 6 s. Its initial velocity and retardation are (a) 12 m/s and 2 m/s2 (b) 12 m/s and 4 m/s2 (c) 24 m/s and 8 m/s2 (d) 24 m/s and 4 m/s2

Last Answer : Ans:(d)

A body weighing one tonne falls through 8 cm on to a spring of stiffness 500 kg/cm the spring will be compressed through a.8 cm b.6 cm c.4 cm d.10 cm e.12 cm

Description : A body weighing one tonne falls through 8 cm on to a spring of stiffness 500 kg/cm the spring will be compressed through a.8 cm b.6 cm c.4 cm d.10 cm e.12 cm

Last Answer : a. 8 cm

Axial length of an unloaded helical compression spring is called (A) compressed length (B) solid length (C) free length (D) none of the above

Description : Axial length of an unloaded helical compression spring is called (A) compressed length (B) solid length (C) free length (D) none of the above

Last Answer : (C) free length

Axial length of the spring which is so compressed that the adjacent coils touch each other. (A) compressed length (B) solid length (C) free length (D) none of the above

Description : Axial length of the spring which is so compressed that the adjacent coils touch each other. (A) compressed length (B) solid length (C) free length (D) none of the above

Last Answer : (B) solid length

When two concentric springs are made of same material, having same free length and compressed equally by axial load, then the load shared by each spring is proportional to (A) Spring index of each spring (B) Wire diameter of each spring (C) Mean coil diameter of each spring (D) Square of wire diameter of each spring

Description : When two concentric springs are made of same material, having same free length and compressed equally by axial load, then the load shared by each spring is proportional to (A) Spring index of each spring ... spring (C) Mean coil diameter of each spring (D) Square of wire diameter of each spring

Last Answer : (D) Square of wire diameter of each spring

If the spring is compressed completely and the adjacent coils touch each other,the the length of spring is called as? a) Solid length b) Compressed length c) Free length d) None of the mentioned

Description : If the spring is compressed completely and the adjacent coils touch each other,the the length of spring is called as? a) Solid length b) Compressed length c) Free length d) None of the mentioned

Last Answer : a) Solid length

A spring of stiffness 100 N/mm used in a spring-loaded safety valve of diameter 20 mm on a boiler with the pressure inside the boiler equal to 1 MPa should be initially compressed by a. 5mm b. 3.14 mm c. 2mm d. 6.28 mm

Description : A spring of stiffness 100 N/mm used in a spring-loaded safety valve of diameter 20 mm on a boiler with the pressure inside the boiler equal to 1 MPa should be initially compressed by a. 5mm b. 3.14 mm c. 2mm d. 6.28 mm

Last Answer : b. 3.14 mm

A close coiled helical spring is compressed. Its wire is subjected to A. Compression B. Tension C.Shear D. Torque

Description : A close coiled helical spring is compressed. Its wire is subjected to A. Compression B. Tension C.Shear D. Torque

Last Answer : B. Tension

When using a spray can of compressed air/gas to clean your PC is it harmful to your computer when it comes out liquid when spraying?

Description : When using a spray can of compressed air/gas to clean your PC is it harmful to your computer when it comes out liquid when spraying?

Last Answer : answer:Not really, Just don't hold the can upside down or sideways if you can help it. There is a chance that it can discolor some plastics but otherwise don't worry about it. Duster is ... that is very unlikely. During gaming spec competitions they use liquid nitrogen as a CPU and GPU heatsink.

Pitch of coil is defined as axial distance in compressed state of the coil. a) Yes b) It is measured in uncompressed state c) It is same in uncompressed or compressed state d) None of the listed

Description : Pitch of coil is defined as axial distance in compressed state of the coil. a) Yes b) It is measured in uncompressed state c) It is same in uncompressed or compressed state d) None of the listed

Last Answer : b) It is measured in uncompressed state

Due to scan geometry of a satellite sensor: (A) The off-nadir resolution is degraded (B) The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir (C) The details towards the edge of the scan get compressed (D) All of these

Description : Due to scan geometry of a satellite sensor: (A) The off-nadir resolution is degraded (B) The ground distance swept by the senor, IFOV is proportional to sec2 of scan measured from the nadir (C) The details towards the edge of the scan get compressed (D) All of these

Last Answer : Answer: Option D

In which condition the axial distance between two adjacent coils is called as pitch? a. Compressed condition b. Uncompressed condition c. Both a. and b. d. None of the above

Description : In which condition the axial distance between two adjacent coils is called as pitch? a. Compressed condition b. Uncompressed condition c. Both a. and b. d. None of the above

Last Answer : b. Uncompressed condition

what type of snake is black with white elongated triangles up its back?

Description : what type of snake is black with white elongated triangles up its back?

Last Answer : Need Answer

elongated orange 6 legged insect on my key lime tree - what are they and what do abt them?

Description : elongated orange 6 legged insect on my key lime tree - what are they and what do abt them?

Last Answer : Need Answer

My Carmen peppers have soft elongated brown spots

Description : My Carmen peppers have soft elongated brown spots

Last Answer : Need Answer

what tree in the metro vancouver area that has red elongated leaves and cherry like fruit

Description : what tree in the metro vancouver area that has red elongated leaves and cherry like fruit

Last Answer : Rowan, Also Known As European Mountain Ash :)

Why are palisade mesophyll elongated? -Biology

Description : Why are palisade mesophyll elongated? -Biology

Last Answer : answer:

What is the elongated part ?

Description : What is the elongated part ?

Last Answer : : The branches that originate from the cell body are called elongated parts.

How many types of elongated parts ?

Last Answer : elongated part 2 types.

Does an elongated scar disappear after weight loss?

Description : Are you retreating? Will it be less visible?

Last Answer : It will look less, but it will never be the same before.

Heart of cockroach consists of elongated muscular tube lying along-

Description : Heart of cockroach consists of elongated muscular tube lying along-

Last Answer : Heart of cockroach consists of elongated muscular tube lying along- A. Mid ventral line of thorax B ... canal D. Mid dorsal line of thorax and abdomen

Is Myanmar an elongated state?

Description : Is Myanmar an elongated state?

Last Answer : Need answer

What are tissue made up of interconnected elongated cells that contract and relax called?

Description : What are tissue made up of interconnected elongated cells that contract and relax called?

Last Answer : These are called "muscles".

What is use of elongated heads and necks and intimate relaxed poses describes periods?

Description : What is use of elongated heads and necks and intimate relaxed poses describes periods?

Last Answer : What is the answer ?

Rod-shaped elongated thick-walled lignified dead cells found in seed coat of pulses (Legumes) are (a) Macrosciereids (b) Astrosclereids (c) Brachysclereids (d) Osteosclereids

Description : Rod-shaped elongated thick-walled lignified dead cells found in seed coat of pulses (Legumes) are (a) Macrosciereids (b) Astrosclereids (c) Brachysclereids (d) Osteosclereids

Last Answer : Ans. ((a))

Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) wire of 1m length and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Description : Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) ... and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Last Answer : Ans:(a)

All the planets in the solar system move around the sun in a - (1) Circular path (2) Elongated path (3) Rectangular path (4) Triangular path

Description : All the planets in the solar system move around the sun in a - (1) Circular path (2) Elongated path (3) Rectangular path (4) Triangular path

Last Answer : (2) Elongated path Explanation: An orbit is the path that an object takes around another object. In our solar system, the planets orbit around the Sun in an elliptical path that looks like a circle that has been stretched (elongated).

Raju and Rashmi observe elongated creatures in their school. Raju infers that to be a garden lizard where as Rashmi infers that to be a salamander. Help them overcome their confusion.

Description : Raju and Rashmi observe elongated creatures in their school. Raju infers that to be a garden lizard where as Rashmi infers that to be a salamander. Help them overcome their confusion.

Last Answer : If the creature has a smooth and moist skin then it is an amphibian as in salamander. If the creature has dry scales then it is reptile as in garden lizard.

Apical bud becomes ________ in mango at fruit bud differentiation : a. Flattened b. Rounded c. Dome shaped d. Elongated

Description : Apical bud becomes ________ in mango at fruit bud differentiation : a. Flattened b. Rounded c. Dome shaped d. Elongated

Last Answer : Dome shaped

. Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Description : . Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Last Answer : (b) caused by a change in a single base pair of DNA

For given water content, workability decreases if the concrete aggregates contain an excess of (A) Thin particles (B) Flat particles (C) Elongated particles (D) All the above

Description : For given water content, workability decreases if the concrete aggregates contain an excess of (A) Thin particles (B) Flat particles (C) Elongated particles (D) All the above

Last Answer : (D) All the above

In order to obtain the best workability of concrete, the preferred shape of aggregate is (A) Rounded (B) Elongated (C) Angular (D) All of the above

Description : In order to obtain the best workability of concrete, the preferred shape of aggregate is (A) Rounded (B) Elongated (C) Angular (D) All of the above

Last Answer : Answer: Option A

A flaky aggregate is said to be elongated if its length is (A) Equal to the mean size (B) Twice the mean size (C) Thrice the mean size (D) Four times the mean size

Description : A flaky aggregate is said to be elongated if its length is (A) Equal to the mean size (B) Twice the mean size (C) Thrice the mean size (D) Four times the mean size

Last Answer : Answer: Option B

The coarse aggregate which possess the property of good interlocking are [ A ] rounded shape [ B ] elongated shape [ C ] angular shape [ D ] none of the above

Description : The coarse aggregate which possess the property of good interlocking are [ A ] rounded shape [ B ] elongated shape [ C ] angular shape [ D ] none of the above

Last Answer : [ C ] angular shape

.In an X ray the mesio buccal root of upper first molars is elongated because of: A. Mesio angular horizontal B. Too big vertical angulation C. Too small vertical angulation D. High angulation

Description : .In an X ray the mesio buccal root of upper first molars is elongated because of: A. Mesio angular horizontal B. Too big vertical angulation C. Too small vertical angulation D. High angulation

Last Answer : C. Too small vertical angulation

Members of the order Apodes, these elongated slender fishes are without pelvic fins and in some species lack pectoral or median GENR-92; Short Answer: What is a shark's skeleton made of?

Description : Members of the order Apodes, these elongated slender fishes are without pelvic fins and in some species lack pectoral or median GENR-92; Short Answer: What is a shark's skeleton made of? 

Last Answer : ANSWER: CARTILAGE

Which One Of The following Should A Teacher Adopt In His Lecture In A Class? Options: A) Precise And Low Tone. B) Elongated Tone. C) Precise And High Tone. D) Moderate Tone.

Description : Which One Of The following Should A Teacher Adopt In His Lecture In A Class? Options: A) Precise And Low Tone. B) Elongated Tone. C) Precise And High Tone. D) Moderate Tone.

Last Answer : A) Precise And Low Tone.

When a proton is released from rest in a room, it starts with an initial acceleration `a_(0)` towards west. When it is projected towards north with a

Description : When a proton is released from rest in a room, it starts with an initial acceleration `a_(0)` towards west. When it is projected towards north with a

Last Answer : When a proton is released from rest in a room, it starts with an initial acceleration `a_(0)` towards west. ... e) "east"(3ma_(0))/(ev_(0))"down"`

If you reduce the copper again, is oxygen released?

Description : If you reduce the copper again, is oxygen released?

Last Answer : I think copper is a self reducing agent not a self oxidising agent. In the presence of carbon/ carbon monoxide, (CuO) is unstable and the bond breaks releasing oxygen and copper metal. Copper being a ... .Copper cannot be self oxidised.There must be presence of oxygen or water for Cu to be oxidised.

When the control handle is in the 'off' position, the solenoid actuated brake of the electric winch is _________. A. de-energized and the brake is released B. energized and the brake is released C. energized and the brake is set by a spring D. de-energized and the brake is set by a spring

Description : When the control handle is in the 'off' position, the solenoid actuated brake of the electric winch is _________. A. de-energized and the brake is released B. energized and the brake is released C. energized and the brake is set by a spring D. de-energized and the brake is set by a spring

Last Answer : Answer: D

In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these (

Description : In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these (

Last Answer : (b) To run the watch

In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these

Description : In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these

Last Answer : (b) To run the watch

A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The mass is displaced 3 meters from its equilibrium position and released. What is the kinetic energy of the mass as it passes through its equilibrium position?

Description : A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The ... and released. What is the kinetic energy of the mass as it passes through its equilibrium position? 

Last Answer : ANSWER: 90 JOULES