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What people are asking?

David

Jul 16, 2015

#### Prove S=ut+1/2at2 using graphical method



This answer has an image. Please click on the question to read more.

David

Jul 16, 2015

#### Prove that the trajectory of projectile motion is parabolic.



This answer has an image. Please click on the question to read more.

Darshni Kotecha

Jul 27, 2014

#### Two forces P and Q have a resultant perpendicular to P. The angle between the forces is _______.



Let θ be the angle between P and Q. Let the resultant R make an angle α with P. Given that α = 90°.

Naveen

May 13, 2017

#### what is polar vector? what is axial vector?



Axial vectors describe rotational motion, and act along the axis of rotation (according to right hand screw rule).
Torque, Angular velocity, angular acceleration are axial vectors.

Polar v...

David

Jul 16, 2015

#### 1.State the triangle law of vector addition and prove it.



This answer has an image. Please click on the question to read more.

Amarnathreddy M

Feb 3, 2014

#### A ball is thrown upward at an angle of 30° with the horizontal and lands on the top edge of a building that is 20m away. The top edge is 5m above the throwing point. How fast was the ball thrown?



This answer has an image. Please click on the question to read more.

Shobhit Gupta

Oct 18, 2014

#### 2 forces of 10 N and 6N act upon a body . the direction is unknown . the resultant force on the body may be?



This answer has an image. Please click on the question to read more.

Dinesh

Jan 16, 2015

#### Question-1 A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving ..



To move horizontally with the cart, the projectile must be fired vertically with a flight time = x/vx = 80/30 = 2.67 s.

The initia...

Vaibhav Gumber

Aug 22, 2014

####  A ball is projected on smooth inclined plane in direction perpenidular to line of greatest slope with velocity of 8 m/s . Find it's speed after 1s.



This answer has an image. Please click on the question to read more.

Johhhn Cena

Jun 19, 2014

#### A football is kicked off with an initial speed of 20 m s-1 at a projection angle of 45°. A receiver on the goal line 60 m away in the direction of the kick starts running to meet the ball at that instant. What must his speed be if he is to catch the ball before it hits the ground ?



This answer has an image. Please click on the question to read more.

David

Jul 16, 2015

#### Prove S=ut+1/2at2 using graphical method



This answer has an image. Please click on the question to read more.

David

Jul 16, 2015

#### Prove that the trajectory of projectile motion is parabolic.



This answer has an image. Please click on the question to read more.

Darshni Kotecha

Jul 27, 2014

#### Two forces P and Q have a resultant perpendicular to P. The angle between the forces is _______.



Let θ be the angle between P and Q. Let the resultant R make an angle α with P. Given that α = 90°.

Naveen

May 13, 2017

#### what is polar vector? what is axial vector?



Axial vectors describe rotational motion, and act along the axis of rotation (according to right hand screw rule).
Torque, Angular velocity, angular acceleration are axial vectors.

Polar v...

David

Jul 16, 2015

#### 1.State the triangle law of vector addition and prove it.



This answer has an image. Please click on the question to read more.

Amarnathreddy M

Feb 3, 2014

#### A ball is thrown upward at an angle of 30° with the horizontal and lands on the top edge of a building that is 20m away. The top edge is 5m above the throwing point. How fast was the ball thrown?



This answer has an image. Please click on the question to read more.

Shobhit Gupta

Oct 18, 2014

#### 2 forces of 10 N and 6N act upon a body . the direction is unknown . the resultant force on the body may be?



This answer has an image. Please click on the question to read more.

Dinesh

Jan 16, 2015

#### Question-1 A cart is moving horizontally along a straight line with constant speed 30 m/s. A projectile is to be fired from the moving ..



To move horizontally with the cart, the projectile must be fired vertically with a flight time = x/vx = 80/30 = 2.67 s.

The initia...

Vaibhav Gumber

Aug 22, 2014

####  A ball is projected on smooth inclined plane in direction perpenidular to line of greatest slope with velocity of 8 m/s . Find it's speed after 1s.



This answer has an image. Please click on the question to read more.

Johhhn Cena

Jun 19, 2014

#### A football is kicked off with an initial speed of 20 m s-1 at a projection angle of 45°. A receiver on the goal line 60 m away in the direction of the kick starts running to meet the ball at that instant. What must his speed be if he is to catch the ball before it hits the ground ?



This answer has an image. Please click on the question to read more.

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