A 2-kilogram object traveling 10 m/s north has a perfect elastic collision with a 5-kilogram object traveling 4 m/s south What is the total momentum after collision? Select one: a. 20 kg•m/s south b. 20 kg•m/s north c. 40 kg•m/s east d. O kg•m/s

A truck of mass 1.5x10^4 kg travelling at 85 km/h [S] collides with a car of mass 1.2x10^3 kg travelling at 30 km/h [S]. The collision is perfectly inelastic. a) Calculate the magnitude and direction of the velocity of the vehicles immediately after the collision. b) Determine the decrease in kinetic energy during the collision

A 2.0-g particle moving at 5.8 m/s makes a perfectly elastic head-on collision with a resting 1.0-g object. (a) Find the speed of each particle after the collision. 2.0 g particle 1.93 m/s 1.0 g particle 3.86 X m/s (b) Find the speed of each particle after the collision if the stationary particle has a mass of 10 g. 2.0 g particle 1.9 X m/s m/s 10.0 g particle (c) Find the final kinetic energy of the incident 2.0-g particle in the situations described in parts (a) and (b). KE in part (a) J KE in part (b) In which case does the incident particle lose more kinetic energy? case (a) case (b)

A 480 kg car moving initially at 20.0 m/s east hits head-on a 520 kg car moving initially at 10.0 m/s west. After the collision, the cars are stuck together. If linear momentum is conserved, what is the velocity of the cars together after the collision?

A0.014-kg bullet is fired intoa stationary block of wood of mass of 4.51 kg. The relative speed of the bullet with respect to the wood is zero after collision (The bullet becomes embedded in the block of wood). What is the speed of the bullet-plus-wood combination immediately after collision if the speed of the bullet before collision is 476 m/s? Express yourlanswer in two decimal places and with units of m/s.

Two balls moving in opposite directions have velocities v1ix = 13_m/s and v2i,x = -8_m/s. If their masses are m = 2.5 kg and m2 = 10.kg, respectively, and if their collision is perfectly elastic, then predict the velocity of each ball following the collision. Vifx: -14.13_m/s -24.12 m/s -15.41 m/s -41.08_m/s -21.97_m/s -20.6 m/s А. D. В. E. С. F. /--/ Vzfx: 0.36 m/s В. 0.2145_m/s 0.2295_m/s 0.5734_m/s 0.4 m/s 0.2872_m/s А. D. Е. С. F.

What is the velocity of a 900-kg car initially moving at 30.0 m/s, just after it hits a 150-kg deer initially running at 12.0 m/s in the same direction? Assume the deer remains on the car.

An 0.8kg ball, initially at rest, is launched from a kicker's foot 30° above the horizontal with a velocity of 5.0m/s. The magnitude of the impulse exerted on the foot by the ball is most nearly   A. 2.75N•s   B. 2N•s   C. 1N•s   D. 2.5N•s   E. 3.46N•s

Consider a 935 kg car initially moving at 30.5 m/s.  a) what is the velocity of the car, in meters per second, just after it hits a 140-kg deer initially running at 12.5 m/s in the same direction? Assume the deer remains on the car.

A 1.2 kg baseball moving westward at 12 m/s is hit by a bat and brought to a complete stop. What is the change in momentum of the ball after this collision?   A 14.4 m/s   B 0 kg m/s   C 12.0 kg m/s eastward   D 14.4 kg m/s eastward   E 12.0 m/s eastwardA