The concentration of kbr in a solution prepared by dissolving 2. 10 g of kbr in 897 g of water is molal.

Its unlawful in the state of florida for any person to operate a motor vehicle unless each passenger of the vehicle under age of

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?