हिंदी

Explain the Meaning of the Following Equation : . P = M X V Where Symbols Have Their Usual Meanings.

Advertisements
Advertisements

प्रश्न

Explain the meaning of the following equation : .
p = m x v
where symbols have their usual meanings.

टिप्पणी लिखिए
Advertisements

उत्तर

The given equation describes the momentum of a body as the product of its mass and velocity.
P = m × v
where, P = momentum
m = mass of the body
v = velocity of the body

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Force and Laws of Motion - Very Short Answers 1 [पृष्ठ ५५]

APPEARS IN

लखमीर सिंग Physics (Science) [English] Class 9 ICSE
अध्याय 2 Force and Laws of Motion
Very Short Answers 1 | Q 20 | पृष्ठ ५५

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

From a rifle of mass 4 kg, a bullet of mass 50 g is fired with an initial velocity of 35 m s−1. Calculate the initial recoil velocity of the rifle.


Two objects, each of mass 1.5 kg are moving in the same straight line but in opposite directions. The velocity of each object is 2.5 m s−1 before the collision during which they stick together. What will be the velocity of the combined object after collision?


A stream of water flowing horizontally with a speed of 15 m s–1 gushes out of a tube of cross-sectional area 10–2 m2, and hits a vertical wall nearby. What is the force exerted on the wall by the impact of water, assuming it does not rebound?


What is the total momentum of the bullet and the gun before firing ?


Which physical principle is involved in the working of a jet aeroplane ?


Discuss the conservation of momentum in each of the following cases :
(i) a rocket taking off from ground.
(ii) flying of a jet aeroplane.


A ball X of mass 1 kg travelling at 2 m/s has a head-on collision with an identical ball Y at rest. X stops and Y moves off. Calculate the velocity of Y after the collision.


A vessel at rest explodes into three pieces. Two pieces having equal masses fly-off perpendicular to one another with the same velocity 30 meter per second. The third piece has three times mass of each of other piece. The magnitude and direction of the velocity of the third piece will be


Two billiard balls A and B, each of mass 50 g and moving in opposite directions with speed of 5 ms–1 each, collide and rebound with the same speed. If the collision lasts for 10–3 s, which of the following statements are true?

  1. The impulse imparted to each ball is 0.25 kg ms–1 and the force on each ball is 250 N.
  2. The impulse imparted to each ball is 0.25 kg ms–1 and the force exerted on each ball is 25 × 10–5 N.
  3. The impulse imparted to each ball is 0.5 Ns.
  4. The impulse and the force on each ball are equal in magnitude and opposite in direction.

Two blocks P and Q of masses 0.3 kg and 0.4 kg, respectively, are stuck to each other by some weak glue as shown in the figure. They hang together at the end of a spring with a spring constant of k = 200 N/m. The block Q suddenly falls free due to the failure of glue, then the maximum kinetic energy of block P during subsequent motion will be ______ mJ.

 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×