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QUESTION 1 A = 3.47 7 + 8.98 j + 5.92 K A = ? Input answer using 3 significant figures 10 points Save Answer QUESTION 2 A= 8.1 7 5.027 Calculate the angle in degrees between the vector A and direction of the axis X. Input answer using 3 significant figures 10 points Save Answer QUESTION 3 A= 3.82 7 + 3.76 7 + 4.2 R B = 4.1 7 + 2.17 7 + 2.25 K A . B = ? Input answer using 3 significant figuresQUESTION 4 A_ 2.63 1 4.84 7 3.63 B_ 3.89 7 2.13 + 1.98 C = AXB C = ? Input answer using 3 significant figures 10 points Save Answer QUESTION 5 A= 2.59 7 1.36 + 1.55 B= 2.07 7 + 1.58 7 + 3.12 K C = AXB C = ? Input answer using 3 significant figures 10 points Save Answer QUESTION 6 A_ 3.56 7 - 1.98 + 2.27 B_ 4.24 7 + 2.23 7 + 4.68 R | A + B| = ? Input answer using 3 significant figuresQUESTION 7 A= 28 7 - 3.57 7 + 3.63 B = 1.29 7 + 3.7 7 + 1.01 K |A - B| = ? Enter your answer using 3 significant figures. 10 points Save Answer QUESTION 8 A= 2.37 7 + 3.65 7 + 1.8 R B= 2.86 7 + 4.75 7 - 1.24 C_ 9.68 7 + 7.62 7 + 5.93 R D = A + B - C D =? Input your answer using 3 significant figures. 10 points Save Answer QUESTION 9 A = 17 + 0 j + OR B = 17 + 1j + 0k Calculate the angle between vectors A and B in degrees. Input your answer using 3 significant figures.\fQUESTION 1' An arrow is shot from a height h toward a cliff. It is shot with a velocity Vat an angle of 9 above the horizontal. |t lands on the top edge of the cliff time 1' later. What is the height of the cliff? Oh + tVsinO 312/2, where g = 9.80 mls2 Oh + thosQ - 312/2, where g = 9.80111152 Oh + tVsinO + 312/2, where g = 9.80111132 Oh + tVsinO - 312/2, where g = 9.80 mix2 1 0 points Save Answer QUESTION 2' An arrow is shot from a height of 6.8 m toward a cliff of height H. It is shot with a velocity of 59.3 m/s at an angle of 53" above the horizontal. It lands on the top edge of the cliff 3.6 8 later. What is the height of the cliff? Input your answer in meters using 3 signicant gures. (9 = -9.80 mlsz) QUESTION 3 An eagle is flying horizontally at a speed V over a lake at a height A when the fish in its claws break free and fall into the lake. What is the speed of the fish relative to the water at the moment it hits the water? O VV2 + 28H, where g =9.80 m/s2 O V V2 + 28H. where g = - 9.80 m/s2 Ov+ 28H, where g = 9.80 m/s2 O VV2 - 28H, where g =9.80 m/s2 5 points Save Answer QUESTION 41 An eagle is flying horizontally at a speed of 2.98 m/s when the fish in her talons wiggles loose and falls into the lake 6.54 m below. Calculate the velocity of the fish relative to the water when it hits the water. Input your answer in m/s using 3 significant figures. (g = -9.80 m/s2)QUESTION 5 1 An object is thrown horizontally from the top of a building of height A and landed at a distance d from the base of the building. gnore air resistance. How long is the ball in the air? O 2H where g =9.80 m/s2 O 2H 8 where g = -9.80 m/s2 Of = \\28H, where g =9.80 m/s2 2H where g =9.80 m/s2 5 points Save Answer QUESTION 6 An object is thrown horizontally from the top of a 88-m building and lands 66 m from the base of the building. Ignore air resistance. long is the ball in the air? Input your answer in seconds using 3 significant figures. (g = -9.80 m/s2)QUESTION 7' An object is thrown horizontally from the top of a 70-m building and lands 68 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the velocity? Input your answer in m/s using 3 signicant figures. (9 = -9.80 m/sz) 1 0 points Save Answer QUESTION 8' An object is thrown horizontally from the top of a 26-m building and lands 41 m from the base of the building. Ignore air resistance. What is the vertical component of the velocity just before the object hits the ground? Input your answer in m/s using 3 signicant figures. (9 = -9.80 m/sz) 1 0 points Save Answer QUESTION 9' An object is thrown horizontally from the top of a 38-m building and lands 15 m from the base of the building. Ignore air resistance. What is the magnitude of the velocity of the projectile just before it hits the ground? Input your answer in m/s using 3 signicant figures. (9 = -9.80 m/sz) QUESTION 10' An projectile is kicked from the ground level with an initial velocity Vx in the horizontal direction and Vy in the vertical direction. At what speed does the projectile hit the ground? O "/12 + V,.2 o v, o v,, 0 V1 + V..- 5 points Save Answer QUESTION 11 ' An projectile is kicked from the ground level with an initial velocity of 48 We in the horizontal direction and 44 We in the vertical direction. At what speed does the projectile hit the ground? Input your answer in m/s and with 1 decimal places. QUESTION 12 An projectile is kicked from the ground level with an initial velocity of 52 m/s in the horizontal direction and 43 m/s in the vertical direction. For how long does the projectile remain in the air? Input your answer in seconds using 3 significant figures. (g = -9.80 m/s2 ) 10 points Save Answer QUESTION 13 An projectile is kicked from the ground level with an initial velocity of 33 m/s in the horizontal direction and 12 m/s in the vertical direction. What maximum height is attained by the projectile? Input your answer in meters using 3 significant figures. (g = -9.80 m/s2 )