Please provide the answers needed.

38. When the objects falls, the force that acts on it is a. friction b. gravitational force c. magnetic force d. tension 39. In a free fall, the acceleration of an object is a. changing in magnitude and directed downward b. constant in magnitude and directed downward c. increasing in magnitude and constantly directed downward d. constant in magnitude and sometime upward or downward 40. When Bugoy threw a tennis ball upward, what is true of its velocity and acceleration as the tennis ball reaches its maximum height? a. v= 9.8 m/s ,a= 9.8 m/s2 b. v= 0 m/s, a= 9.8 m/s2 c. v= 0 m/s, a= 0 m/s2 d. v= 980 m/'s ,a= 9.8 m/s2 41. What is true when the stone is dropped from the second floor of a science building that is 7 meters from the ground? a. increasing speed and changing acceleration b. increasing speed and constant acceleration c. decreasing acceleration and constant speed d. increasing speed and increasing acceleration 42. Which statement is true about the acceleration of a big rock and a small can when drop down a cliff? a. The big rock will accelerate at 9.8 m/s and the can will accelerate at less than 9.8 m/s b. The big rock will accelerate at 9.8 m/s and the can will accelerate at more than 9.8 m/s2 c. The big rock will accelerate at 9.8 m/s and the can will accelerate at the same magnitude. d. The big rock will accelerate more than 9.8 m/s and the can will accelerate at 9.8 m/s243. What is the initial velocity of a 1- kg ball that is dropped 6 meter from the ground? a. 0 m/s b. -6 m/s c. 6 m/s d. 9.8 m/s 44. What is the distance travelled by a ball when it is dropped from the top of a building and travels down for 6 seconds? a. 36 m b. 45 m c. 176 m d. 360 m 45. What is the speed of a cat as it drops to the ground in 12 second? a. 10 m's b. 2m/s c. 5 m/s d. 0.5m/s 46. What is the distance travelled by a rock 2 seconds after it is dropped? a. 10 m b. 20 m c. 30 m d. 40 m 47. What is the velocity of a coin after 3 seconds after it is drop a certain distance from the ground? a. 10 m's b. 15 m/'s c. 20 m/s d. 30 m/s 48. What is the total time that the coin is in the air when it is thrown upward with an initial velocity of 50 km/hr and caught at a point where it was released? a. 2. 83 s b. 1.42 s c. 5.1 s d. 10.2 s 49. What is the maximum height a coin can reach, if it is thrown upward with an initial velocity of 8 m/s(neglect air resistance)? a. 2 m b. 3.27 m c. 8 m d. 10 m 50. How long a time will it take a pen to reach its highest point when thrown vertically upward with an initial velocity of 39.2 m/s? a. Is b. 2 s c. 3 s d. 4 s