Which of the following needs to be integrated with respect to time to compute impulse
Q: B a 0.7 bl.s F1 135 C bl-5 405 F2 D M242.
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Q: 1. A force of 5250 N is applied to a 300 kg box for 3.5 s. The box is initially at rest on a…
A: a) Impulse =Change in momentum =Force×Duration of the force =5250×3.5 N.s=18375 N.s≈1.8×104 N.s
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- Pls helpA. 3.850 Rg m/s D. 4.113 kg-m/s 4.823 kg-m/s B. 4.730 kg-m/s E. C. 5.476 kg-m/s F. 3.735 kg-m/s 1--1 IZJXM A toy train engine (2.1 kg) is moving 0.28 m/s to the right when it collides with a train car (3.2 kg) moving 0.19 m/s in the opposite direction, and they stick together. Find the velocity of the engine-car combination as they move off together. Assume "to the right" is the positive direction. 3. A. -0.00267 m/s D. -0.006516 m/s -0.005211 m/s B. E. -0.002181 m/s -0.003774 m/s C. F. -0.006594 m/s 1--1 [carpet-14]An astronaut floating at rest in space throws a wrench in one direction and subsequently recoils back with a velocity in the opposite direction. Which of the following statements is/are true? 1. The velocity of the wrench is equal and opposite to the velocity of the astronaut. II. The momentum of the wrench is equal and opposite to the momentum of the astronaut. III. The impulse applied to the wrench is equal and opposite to the impulse applied to the astronaut. II and III only I only Il only I, II, and III I and II only
- A 7400 kg truck traveling along a straight road at 14 m/s comes to a stop and remains stationary for several minutes. It then accelerates backward in reverse until it reaches 5.0 m/s in the opposite direction. What is the magnitude of the change in momentum of the truck for this entire process? A. 100,000 kg. m/s B. 140,000 kg. m/s C. 67,000 kgm/s D. 37,000 kgm/s O C O B OD O AThe Moon is 60 Earth radii (i.e. 60 rEarth) from the center of the Earth and has a mass of 0.012 Earth masses (i.e. 0.012 mEarth) a. How many Earth radii is the center of mass (the “barycenter”) of the Earth-Moon system from the center of the Earth? b. Is the center of mass inside the Earth or outside the Earth? c. What point along the line from the center of the Earth to the center of the Moon orbits the barycenter of the Solar System in a (nearly) circular orbit (e.g. the center of the Earth, the barycenter of the Earth-Moon system, the midpoint, the center of the Moon)?The figure shows a distribution of several objects, in which m1 = 3.0 kg, m2 = 2.0 kg, and m3 = 1.0 kg a. What is the x-coordinate of thesystem’s center of mass?A. 1.67 mB. 1.83 mC. 2.5 mD. 2.75 mE. None of these b. What is the y-coordinate of thesystem’s center of mass?A. 1.5 mB. 1.83 mC. 2.17 mD. 2.75 mE. None of these