A cricket ball of mass 0.20 kg is moving with a velocity of 1.2 m/s. find the impulse on the ball and average force applied by the player if he is able to stop the ball in 0.10 s ? (class 9th)
Answers
Here's your answer...
m = 0.2 kg
u = 1.2 m/s
v = 0 (as the player stops the ball)
t = 0.1 s
a = -12 m/s²
F = ma
= 0.2×(-12)
= -2.4 N
Impulse = F×t
= -2.4×0.1
= -0.24 N s
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Answer:
The answer is = -0.24 N s
Explanation:
m = 0.2 kg
u = 1.2 m/s
v = 0 (as the player stops the ball)
t = 0.1 s
a = -12 m/s²
F = ma
= 0.2×(-12)
= -2.4 N
Impulse = F×t
= -2.4×0.1
= -0.24 N s
In physics, a force is a power that can alternate the motion of an item. A pressure can purpose an item with mass to exchange its pace (e.g. moving from a state of relaxation), i.e., to boost up. force can also be described intuitively as a push or a pull. A pressure has both significance and path, making it a vector quantity. it is measured in the SI unit of newton (N). pressure is represented by the image F (previously P).
The authentic form of Newton's second law states that the net force acting upon an item is identical to the fee at which its momentum modifications with time. If the mass of the object is consistent, this law implies that the acceleration of an object is at once proportional to the internet force performing at the object, is in the course of the net force, and is inversely proportional to the mass of the object.
concepts associated with pressure include: thrust, which increases the velocity of an item; drag, which decreases the rate of an item; and torque, which produces changes in rotational velocity of an item. In an prolonged body, each part generally applies forces on the adjoining elements; the distribution of such forces through the body is the internal mechanical pressure. Such inner mechanical stresses cause no acceleration of that body because the forces stability each other. pressure, the distribution of many small forces implemented over a place of a body, is a easy sort of pressure that if unbalanced can cause the frame to accelerate. stress usually causes deformation of solid substances, or float in fluids.
A cricket ball of mass 0.20 kg is moving with a velocity of 1.2 m/s.
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