01/25/15

A block of mass M is placed on a surface of table and is pulled by a force F acting at an angle F with horizontal . Find acceleration of block if coefficient of
A block of mass M is placed on a surface of table and is pulled by a force F acting at an angle Φ with horizontal . Find acceleration of block if coefficient of friction between surface and block... more
Follows • 2
Expert Answers •1

01/25/15

A body of mass 2kg is placed on another body of mass 4kg which is on top of a table. coefficient of friction between the body 2kg and 4kg is 0.2 and that of bod
A body of mass 2kg is placed on another body of mass 4kg which is on top of a table. coefficient of friction between the body 2kg and 4kg is 0.2 and that of body 4kg and  surface of table  is 0.1... more
Follows • 2
Expert Answers •1

12/30/14

what is the center of mass? and coefficients of restitution
what is the center of mass? and coefficients of restitution 
Follows • 1
Expert Answers •1

12/30/14

What volume of buffer having [HA] = [A-] = 0.1M should be taken so that P?H change by 0.48 unit by adding 10ml, 0.01M HCL. Note that HA is just any acid.
What volume of buffer having [HA] = [A-] = 0.1M should be taken so that PH change by 0.48 unit by adding 10ml, 0.01M HCL. Note that HA is just any acid.
Follows • 2
Expert Answers •1

12/30/14

In what volume ratio 0.1M HA( acid having ka=2*10E-5) is mixed with 0.2M NaOH to get a buffer of ph=5.
In what volume ratio  0.1M HA( acid having ka=2*10E-5) is mixed with 0.2M NaOH to get a buffer of ph=5.
Follows • 2
Expert Answers •1

10/16/14

A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it?
A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it?Ans : Since car moving at speed 40km/h with mass =... more
Follows • 2
Expert Answers •1

09/29/14

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No
One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added.Note that M represent Molarity of solution.
Follows • 2
Expert Answers •1

09/27/14

How to draw graph of this function ?
y=3sin(2x)
Follows • 3
Expert Answers •2

09/27/14

How to solve this equation
cos(x).cos(2x)cos(4x)cos(8x)= sin16x/16sinx prove this !
Follows • 2
Expert Answers •1

09/27/14

How to find value
sin18° and cos° without using calculator ?
Follows • 2
Expert Answers •1

09/21/14

The value of X , if log1/2?x >= log1/3?x is
The value of X , if log1/2x >= log1/3x is 
Follows • 1
Expert Answers •1

09/21/14

Find the value of X for which (x+4)1/2 +2=0
Find the value of X for which (x+4)1/2 +2=0 
Follows • 1
Expert Answers •1

09/21/14

If Vector A = 3icap + 4jcap and B= 7icap + 24jcap the the vector having the same magnitude as B and same direction as A is
If Vector A = 3icap + 4jcap and B= 7icap + 24jcap the the vector having the same magnitude as B and same direction as A is 
Follows • 1
Expert Answers •1

09/21/14

The sum , difference and cross product of two vector A and B are mutually perpendicular if A and B are perpendicular to each other and |A| = |B| This is rig
The sum , difference and cross product of two vector A and B are mutually perpendicular if    A and B are perpendicular to each other and |A| = |B|    This is right or wrong ?   If wrong then... more
Follows • 2
Expert Answers •1

09/21/14

The distance between the point P(2m, 3m, 4m) and the x- axis is
The distance between the point P(2m, 3m, 4m) and the x- axis is 
Follows • 1
Expert Answers •1

08/29/14

A stone is projected from level ground with speed u and at an angle x with horizontal. some how the acceleration due to gravity (g) become double immediately af
A stone is projected from level ground with speed u and at an angle x with horizontal. some how the acceleration due to gravity (g) become double immediately after the stone reaches the maximum... more
Follows • 3
Expert Answers •2

08/18/14

Greatest value of Sin4?T + cos4?T is
Greatest value of Sin4Θ + cos4Θ is 
Follows • 2
Expert Answers •2

08/18/14

Least value of tan2?T + cot2?T is
Least value of tan2Θ + cot2Θ is 
Follows • 2
Expert Answers •1

08/18/14

A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of
A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of 200m/s . What distance will it travel... more
Follows • 3
Expert Answers •2

08/18/14

A lead ball is droped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bot
A lead ball is dropped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bottom . It reaches the bottom 5 second... more
Follows • 2
Expert Answers •1

08/05/14

Two particles are thrown vertically upward at interval of 2 second with an initial velocity of 4 m/s each. Find the time when they will meet each other and also
Two particles are thrown vertically upward at interval of 2 second with an initial velocity of 4 m/s each. Find the time when they will meet each other and also find the distance from the ground... more
Follows • 2
Expert Answers •1

07/29/14

A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/h
A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/hr crossing the turning ten second... more
Follows • 2
Expert Answers •1

07/29/14

An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The
An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The coin 6 ft above the floor of the... more
Follows • 2
Expert Answers •2

07/29/14

An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The
An elevator is decending with uniform acceleration . To measure the acceleration , a person in the elevator drops a coins at he moments the elevator starts. The coin 6 ft above the floor of the... more
Follows • 1
Expert Answers •1

07/29/14

A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball take to reach ground level
A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball take to reach ground level .
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.