1. a car is 140 kg, and drove east 13.5 m/s. car b is 157 kg and drove west at 10.9 m/s. -which car has more momentum? -the two cars crash then stick together. make the before/after list for the variables: -what is the velocity of the cars after they collide? -what type of collision is this? ( elastic , inelastic , explosion)

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your