xe thứ nhất khởi hành từ A đến B với vận tốc 40km/h sau 30 phút xe thứ 2 khởi hành từ B đến A với vận tốc 36km/h hỏi sau bao lâu 2 xe gặp nhau

Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?