Xiang !

1) A stone is dropped from the roof of a building; 2.00 s after that, a second stone is thrown straight down with an initial speed of 25 m/s and the two stones land at the same time. i) How long did it take the first stone to reach the ground? ii) How hig...

do u now how to solve it ??

can u help me solve this also ? A car from rest and travels for 5.0 s with uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform deceleration of -2.0 m/s2. If the brakes are applied for 3.0 s. i) How fast is the car goin...