1 year ago

Help me with the following problem

Physics

1 answer:

Effectus [21]1 year ago

6 0

The mass of the ball is 1.55 kg and its change in momentum is 10 kgm/s.

<h3>What is momentum of a body?</h3>

The momentum of a body is the product of the mass and velocity of the body.

Momentum = mass * velocity

Mass of the ball = momentum/velocity

Mass of the ball = 3.29 / 2.11 = 1.55 kg

The change in momentum of the body or Impulse = force * time

Change in momentum of the body = 5.00 * 2.00 = 10 kgm/s

Therefore, the momentum of a body depends on its mass and velocity.

Learn more about momentum at: brainly.com/question/1042017

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Answer:

w= 62.75 J

Explanation:

Given that

Force vector F= 5 x i + 4 y j

Space vector or displacement vector d= 5.01 i

We know that work (w)

w=∫ F.ds

w= ∫(5 x i + 4 y j) .dx ( only object is moving in x- direction)

$w=\int_{0}^{5.01}5xi.dxi$

$w=\int_{0}^{5.01}5x.dx$

$w=\left [\dfrac{5}{2}x^2\right ]_0^{5.01}$

w= 2.5 x 5.01² J

w= 62.75 J

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