What is the magnitude of the momentum of a 18 g sparrow flying with a speed of 6.6 m/s ? Express your answer using two significant figures.

As shown in the figure below, cars #1 and #2 are sliding across a horizontal frictionless surface. The cars are equipped with a coupling arrangement similar to the one on railroad cars. Car #1 overtakes car #2 and they have a totally inelastic collision and become coupled together. You know the mass of each car; m₁ = 12.0 kg and m₂ 41.0 kg. In addition, you are provided with the following graph, which shows the momentum of car #1 before, during and after the collision. p (kg-m/s) 100 40 Determine the velocity (in m/s) of car #2 before the collision. m/s t (s)

A fancart of mass 0.8 kg initially has a velocity of < 0.7, 0, 0 > m/s. Then the fan is turned on, and the air exerts a constant force of < −0.3, 0, 0 > N on the cart for 1.5 seconds. What is the change in momentum of the fancart over this 1.5 second interval?What is the change in kinetic energy of the fancart over this 1.5 second interval?

Momentum: A radioactive nucleus is at rest when it spontaneously decays by emitting an electron and neutrino (as shown in the figure below ). The momentum of the electron is 8.10 x 10−19 kg·m/s and it is directed at right angles to that of the neutrino. The neutrino's momentum has magnitude 5.09 x 10−19 kg·m/s. In what direction does the newly formed (daughter) nucleus recoil? What is the momentum?  Let the electron direction be along the positive x-axis and find the direction of nucleus recoil with respect to the electron's direction.

(a) What is the momentum in kg · m/s of a garbage truck that is 1.00 ✕ 104 kg and is moving at 28.0 m/s?  _______ kg . m/s (b) At what speed in m/s would an 8.00 kg trash can have the same momentum as the truck? _______ m/s

A woman of mass m = 63 kg runs at a velocity vi = 1.53 m/s before jumping on a skateboard that is initially at rest. After jumping on the board the woman has a velocity vf = 1.42 m/s.b. What is the mass of the skateboard in kilograms? mb =c. The woman soon loses his balance and falls backwards off the board at a velocity of 1.0 m/s. Assuming momentum is conserved in this process, what is the skateboard's new velocity in meters per second? [Note: this may not be a very good assumption, as there can be significant friction in the ball bearings of the skateboard]

A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the ball has a momentum whose magnitude is 2.9 kg-m/s. At what height was the basketball dropped? + i

A constant net force of 14.3 N directed in the x-direction is exerted on a 2.2 kg object for a time of 1.49 s. What is the object's change in momentum during this time?

Two objects are on a collision course. Object #1 has a mass of 4.6 kg and an initial velocity of 5.1 m/s i. Object #2 has a mass of 7.3 kg and an initial velocity of --11.3 m/s i. After colliding, Object #1 has a velocity of -2.7 m/s i. What is the final velocity of object #2? Let positive answers be (+i) and negative answers be (-i) regarding directions.

A space probe is traveling in outer space with a momentum that has a magnitude of 3.04 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.19 x 106 N and a direction opposite to the probe's motion. It fires for a period of 8.86 s. Determine the momentum of the probe after the retrorocket ceases to fire.