Two carts roll on a level track, with negligible friction. These carts have small magnets at their ends, so that when they collide, they stick together. The first cart has a mass of 675 grams and is rolling at 0.75 m/s to the right; the second has a mass of 500 grams and is rolling at 1.5 m/s, also to the right. After the collision, what is the velocity of the two joined carts?

A 3.99 µg particle moves at 1.81 × 108 m/s. What is its momentum p? 7.22 ×10-¹ P = Incorrect kg.m/s

A 47.0 kg boy stands on a sled that is stopped in the middle of a frozen pond. The boy jumps horizontally off the sled with a velocity of 2.40 m/s. The sled moves in the opposite direction with a velocity of −11.1 m/s. What is the mass of the sled?

Two people are running south. The first person has a mass of 66 kg, and is running at a speed of 5.1 m/s. The second person has a mass of 74 kg, and is running at a speed of 4.7 m/s. If these two people were to collide, what would their combined momentum be after the collision?

You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own mass is 94.9 kg, and the mass of the sled when empty is 13.0 kg. From shore, someone throws a baseball of mass 0.140 kg to you, and you catch it; the horizontal component of the ball s velocity is 32.1 m/s. What will be the sled s (and your) speed with respect to the surface of the pond after you catch the ball? 1 1.66 cm/s 2 4.16 cm/s 3 4.73 cm/s 4 34.2 cm/s

Two rocks collide in outer space. Before the collision, one rock had mass 12 kg and velocity ‹ 4300, −3000, 2550 › m/s. The other rock had mass 5 kg and velocity ‹ −500, 1900, 3600 › m/s. A 1 kg chunk of the first rock breaks off and sticks to the second rock. After the collision the 11 kg rock has velocity ‹ 1550, 250, 2000 › m/s. After the collision, what is the velocity of the other rock, whose mass is now 6 kg?

A joelshawon is a subatomic particle with a mass of 3.5 G and it is made out of a joelon (mass 1.5 g) and a shawon (mass 2g). A joelon going 7.9 x 10^6 m/s to the east collides with a shawon going 1.2 x 10^6 m/s to the north determine the speed and direction of the resulting joelshawon 

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 before the collision during which they stick together. What will be the velocity of the combined object after collision?

Two 2712 kg train cars roll toward each other (Car A at 0.34 m/s, Car B at -2.5 m/s) on a level track. After they collide and couple together, what is the final velocity of the two-car object?

A 60.3 kg block is sliding along a frictionless surface with a speed of 20.2 m/s. It collides elastically with a second block of mass 12.9 kg. The second block is initially at rest. If this collision is one dimensional, what is the speed (in m/s) of the first block after the collision?