We know that impulse is given as force × time or change of momentum i.e. m (final velocity- initial velocity) .
Since the impulse is same in both the cases , therefore f×t = constant.
Therefore, we can conclude that f1 = f2
Option C is correct .
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Problem 4 (20 points) A right-angled steel bracket is fixed to a vertical wall as shown. A force of 1000 N acts on the free end of the bracket at an angle of 30° from the horizontal Determine the moment of the force about the point B. COON - 200 mm
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3. 2P 200 R of the Rand 200N Determine the magnitude of the resultant forces shown and the angle between the horizontal line. 30 100N 130
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1. Determine if each function below is 1-1 or not by sketching a graph. (a) f (x) = -3x + 2 (b) g(x) = x3 + 8 (c) h(x) = Vx – 5 (d) p (x) = 3x2 + x - 6
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11. [5pts. Each] Let V = (1,-1,1), 12 =(2,1,3) and is =(-1,-1,2) be eigenvectors of the matrix A corresponding eigenvalue 4 = 2, =-2 and 1=3, respectively, and let v = (5.0,3) a. Express 1 as a linear combination of . 1, and is. b. Find Av.
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Question 25 1 pts A volume of air has temperature of O°C. An equal volume of air that is twice as hot has a temperature of O2°C O 100°C OOºC O 273°C Question 26 1 pts If you wish to cool your kitchen on a hot day by operating your refrigerator with its door open,...
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2. Using the method of sections, determine the forces in members EG, GF, and FH. state whether each member is in tension compression. 14 kips 14 kips or Тc E G 1 кВkips 8 ft8 ft 8 ft 8 ft 8 ft
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Question 13 1 pts The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground as others. The twice-as-high apples, which are of equal mass as the others, have 1/4 the weight O practically the same weight. 1/2 the weight. Question 14 1 pts For...
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20. A high-voltage transmission line carries 1000 A at 700 kV for a distance of A high-voltage transmission 100 miles. If the resistance per length in the wire is 0.5 l/mile, what is the power loss due to resistive losses? 21. The heating coil of a hot water heater has a resistance of 20 ohms and operates at 210 V. If electrical energy...
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Question 29 1 pts Two charged particles repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is also doubled, then the force will be OF/4. OF/2. OF 0 2F Question 30 1 pts Charge carriers in a metal are electrons rather than...
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Question 39 1 pts A positively charged particle is moving to the right in the plane of this paper. A magnetic field points upward toward the top in the plane of this paper. The magnetic force on the charged points out of the screen toward you. upward in the plane of the screen. to the...