Okay, even if you don't give me the answer, could you tell me the method please?
6. A steamboat moves with velocity components of 6 km/hr along the X direction and 8 km/hr along the Y direction. What is the direction of the steamboat with respect to the X axis? (Points :2)
37°
41°
48°
53°
7. Sam threw a stone horizontally at a speed of 5m/s from a 9.8 m tall building. How much time does the stone take to hit the ground? (Points :2)
1.4 s
2 s
1 s
1.2 s
8. Rain falls vertically downward with the velocity of 3.3 m/s. A boy moves at a speed of 5 m/s east in a bicycle with an umbrella. What is the velocity of the rain with respect to the boy? (Points :2)
8 m/s
6 m/s
5 m/s
3 m/s
9. A stone is thrown horizontally from the top of a tower of height 19.6 m. It reaches 10 m away from the foot of the tower. What is its initial velocity of projection? (Points :2)
2 m/s
3 m/s
4 m/s
5 m/s
10. A ball is kicked off the ground with a velocity of 15 m/s at an angle of 30° horizontally. What is the horizontal distance the ball travels before returning to the ground? (Points :2)
15.5 m
17.5 m
19.5 m
21.5 m
6. A steamboat moves with velocity components of 6 km/hr along the X direction and 8 km/hr along the Y direction. What is the direction of the steamboat with respect to the X axis? (Points :2)
37°
41°
48°
53°
7. Sam threw a stone horizontally at a speed of 5m/s from a 9.8 m tall building. How much time does the stone take to hit the ground? (Points :2)
1.4 s
2 s
1 s
1.2 s
8. Rain falls vertically downward with the velocity of 3.3 m/s. A boy moves at a speed of 5 m/s east in a bicycle with an umbrella. What is the velocity of the rain with respect to the boy? (Points :2)
8 m/s
6 m/s
5 m/s
3 m/s
9. A stone is thrown horizontally from the top of a tower of height 19.6 m. It reaches 10 m away from the foot of the tower. What is its initial velocity of projection? (Points :2)
2 m/s
3 m/s
4 m/s
5 m/s
10. A ball is kicked off the ground with a velocity of 15 m/s at an angle of 30° horizontally. What is the horizontal distance the ball travels before returning to the ground? (Points :2)
15.5 m
17.5 m
19.5 m
21.5 m