
College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A projectile is fired in such a way that its horizontal range is equal to 12 times its maximum height. What is the angle of projection?
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- The speed of a projectile when it reaches its maximum height is 0.38 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?arrow_forwardA projectile is projected from the origin with a velocity of 35m/s at an angle of 33 degrees above the horizontal. What is the range of the projectile? (Answer in Meter)arrow_forwardWhen adding vectors (3,30°) + (5,120) + (7,225°), what is the magnitude of the resultant? О 3.96 O 2.81 О 5.72 O 6.47 O 4.93arrow_forward
- Which of the following complementary angles will result in the same horizontal range of the projectile? Select one: O 8- 30°, 8= 600 O 8= 60°, 0= 45° O e=90 , 8-30 O 8- 75,8- 250 O 8= 45, 8= 30arrow_forwardNeeds Complete typed solution with 100 % accuracy.arrow_forwardThe citizens of Paris were terrified during World War I when they were suddenly bombarded with shells fired from a long-range gun known as Big Bertha. The barrel of the gun was 36.6 m long, and it had a muzzle speed of 2.20 km/s. When the gun’s angle of elevation was set to 55.0°, what would be the range? For the purposes of solving this problem, ignore air resistance. (The actual range at this elevation was 121 km; air resistance cannot be ignored for the high muzzle speed of the shells.) kmarrow_forward
- A ball is projected with a velocity of 20 m/s at an angle of 35 degrees from the top of a 75-m cliff. What is the balls total horizontal displacement?arrow_forwardIt takes a golfer a total of three strokes to put the ball in the hole. The displacements of the three strokes are as follows: d, = 4.20 m the north, d, = 2.10 m northeast, and d, = 1.10 m at 6 = 30.0° west of south, as shown in the figure. If the golfer had made the hole in a single shot, what would be the displacement of the ball? (Assume the positive y- and x-axes are in the north and east directions, respectively. Give the magnitude of your answer in meters and the direction in degrees north of east.) N dz dz W- E 'p magnitude m direction o north of eastarrow_forwardA hockey player faces the goal, which is 15.0 m in front of him (due north). Instead of trying to make a direct shot, the player passes the puck to a teammate who is 6.00 m away in a direction 30.0° to the right of the direction to the goal. What final displacement is needed to score a goal?arrow_forward
- Asaparrow_forward9. The displacement vectors A T and B shown in Figure P3.9 both have of magnitudes 3.00 m. The direction of vec- 30.0°. Find gra- tor A is 0 phically (a) А+ В, (Ь) А - В (c) B- A, and (d) A – 2B (Report all angles counterclock- wise from the positivex axis.)arrow_forwardCurrent Attempt in Progress A sailboat race course consists of four legs, defined by the displacement vectors A.B.C, and, as the drawing indicates. The magnitudes of the first three vectors are A = 3.10 km, B = 4.90 km, and C= 5.00 km. The finish line of the course coincides with the starting line. Using the data in the drawing, find (a) the distance of the fourth leg and (b) the angle . 23.0 Ď Finish- B 35.0⁰ Ā 40.0⁰ Startarrow_forward
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