A baseball is dropped from rest from a high window of a tall building and falls for 4 seconds. Neglecting air resistance, the final velocity of the ball is_m/s. (g = -9.8 m/s2)
a 49
b 59
C-55
d - 39
e 29

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

At what time would the magnitude of the velocity reach 36.00 km/hr