19. What is the optimum angle that can reach the maximum range for a given projectile? Select one: a. 35 degree b. 45 degree c. 55 degree d. 65 degree
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19. What is the optimum angle that can reach the maximum range for a given projectile?
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- A projectile is launched at 50m/s velocity making an angle of 30 with horizontal. a. Calculate the velocity of the projectile at 3sec.4.2 m 5m A 5m long ladder is leaning against a wall of height 4.2m. as shown. The angle (6) made by the ladder with the floor is a. 40.03° O b. 32.86° O c. 49.97° O d. 57.14°Which is equal in magnitude to Ty of m2? n T T Ⓒ = 40.3° A. mlg B. m2g C. fk D. n m₂g m₁ m₁g
- A 10 meter long ladder rests against a vertical wall so that the distance between the foot of the ladder and the wall is 2 meter. Find the angle the ladder makes with the wall? 10 m 2 m Select one: a. 78.47° O b. 1° O c. 11.53° O d. 44.42°The barge of starch passes a light house. From the top of the light house 60 m high from sea level, the angle of depression (AOD) of the barge is 15 degree. A. Find the distance of the barge from the foot of the light house if the AOD is 15 deg. B. If the barge moves 120 m away from the lighthouse, what will be the resulting AOD from the top of the light house? C. If the barge moves 100 m closer to the lighthouse as it approaches to the original position, what is the resulting AOD?Problem: Vector F1 = 625 N makes an angle of 270° when rotated counterclockwise from the +x axis. Vector F2 = 875 N makes a 120° angle from Vector F1 when rotated counterclockwise. Find the following: 1. What is the value for Rx? A. 700 N B. 757.8 N C. 900 N 2. What is the value for Ry? A. -187.5 N B. 200 N C. +187.5 N 3. What is the direction of the vector needed to balance the two forces? A. 0° B. 186° C. -32° D. 166° E. 270° F. -31° G. -180° Answer all the questions please I'll give rate.
- QUESTION 20 In the absence of wind resistance, a heavy object is launched from level ground at an angle above the horizontal. What must be the value of this angle to give the maximum range? a. 45 degrees b. 25 degrees O c. 30 degrees d. 35 degrees e. 40 degrees22. From the top of an overpass 14 m above the ground, Ana finds the angle of depression of Alma down the street is 30°. How far is Alma from the overpass? a. 24 m b. 28 m c. 34 m d. 38 m 23. A jet plane flying 6,000 m above the ground passed directly above the MJ. One minute later, MJ noticed that the plane's angle of elevation was 18°. What was the horizontal distance covered by the plane? a. 18,467 m b. 18, 698 m c. 20, 672 m d. 21, 110 m 24. If the top of the tower is 6,532 m away from an observation balloon and the angle of depression is 10°50', what is the horizontal distance to the tower? a. 6, 416 m b. 5, 643 m c. 7, 528 m d. 12, 103 m 25. A rescue helicopter hovers at an altitude 525 m over two fishing boats. If the angle of depression from the helicopter to the boats are 38° 10' and 22° 30'. how far apart are the boats? a. 1, 935 m b. 1, 758 m c. 2, 019 m d. 2, 204 m1. At a golf course, a par 3 hole is 80 meters 15 degrees east of south from the tee. Your first shot is 70 meters but 10 degrees west of south. a. How far are you from the hole after the first shot. b. What direction should you hit your shot to get the ball in the hole. Give angle relative to a compass direction, i.e., 5 degrees north of east. Start by drawing the vectors in involved (with arrows). Use your diagram to determine the relation between the three vectors.
- 4. A shot is fired at an angle of 45° with a horizontal and a velocity of 300 fps. Find the height and the range of the projectile.Moving to another question will save this response. Question 6 Given two vectors A = 7i+ 5j - 2k, and B = 3i – 10j + 6k, what is the angle between the two vectors? O A. 112.7° B. 116.3° O C. 118 4° O D. 115° O E. None of these Moving to another question will save this response.2. What is the Horizontal Component of F1=60N at 220°. (A) None of the above (B)-45.96 N (C)-38.57 N (D)+45.96 N (E)+38.57 N