Amack truck and a volkswagen traveling at the same speed have a head-on collision. the vehicle to undergo the greatest change in velocity will be the
a) volkswagen. b) mack truck. c) both the same.

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Which best represents the law of conservation of mass ?