A1200-kg car is pulling a 500-kg trailer along level ground. friction of the road on the trailer is negligible. the car accelerates with an acceleration of 1.3 m/s2. what is the force exerted by the car on the trailer?

real, smaller and upside-down.   so the answer should be b.

d) physical means can be used to separate the components of air.

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

wavelength divides in half and speed stays the same.