a 1200-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 1.5 m/s 2. what is the force exerted by the trailer on the car?

It takes longer to fly an airplane against a with it

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.

Which of the following is a characteristic of the coverdell education savings account