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- Two trucks drive directly away from oneanother on a straight line, . The trucksdrive with their speeds adjusted precisely so that the center ofmass (CM) of the two trucks remains stationary—that is, thevelocity of the center of mass is zero. The mass and speed of truck 1are m1 = 8400 kg and v1 = 12 m>s, respectively. The mass of truck2 is m2 = 10,200 kg. (a) Is the speed of truck 2 greater than, lessthan, or equal to the speed of truck 1? Explain. (b) Find the speedof truck 2.The front 1.20 m of a 1 400-kg car is designed as a “crumplezone” that collapses to absorb the shock of a collision. If a cartraveling 25.0 m/s stops uniformly in 1.20 m, (a) how long doesthe collision last, (b) what is the magnitude of the average forceon the car, and (c) what is the acceleration of the car? Expressthe acceleration as a multiple of the acceleration of gravity.ost of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 6.40 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 79.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.110 s, what…
- ost of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 6.90 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 70.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.100 s, what…The two dynamics carts, one single cart of mass 1.0 kg, the other a double cartof mass 2.0 kg, each with essentially frictionless wheels, are in contact and at rest. The compressionspring on the single cart is suddenly released, causing the cart to exert an average force of 2.0 N [E] onthe double cart for 0.50 s Q1. . During the time interval that the springs acts ont the double cart, the force exerted by the double carton the single cart isa) 2.0 N [W] b)2.0 N [E] c) 0.0 N d) 4. 0 N [W]e) 4.0 N [E] Q2. . During the spring interaction, the net force acting on the single cart isa) 4. 0 N [W] b) 2.0 N [E]c) 2.0 N [W] d) 4.0 N [W]e) zero Q3.During the interaction, the acceleration of the double ca rt isa) 0. 33 m/?2 [E] b) 3.0 m/?2[E]c) 1.0 m/?2[E] d) 0.50 m/?2[E]e) 2.0 m/?2[E]Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 7.80 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 74.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.130 s,…
- Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 7.80 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 70.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.110 s,…Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton’s third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 8.00 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 80.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4 000 kg for the truck. If the collision time is 0.120 s,…Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 6.50 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 71.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.110 s,…
- Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that exerted on the truck. To substantiate this view, they point out that the car is crushed, whereas the truck is only dented. This idea of unequal forces, of course, is false; Newton's third law tells us that both objects are acted upon by forces of the same magnitude. The truck suffers less damage because it is made of stronger metal. But what about the two drivers? Do they experience the same forces? To answer this question, suppose that each vehicle is initially moving at 7.50 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 77.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4,000 kg for the truck. If the collision time is 0.130 s,…During a collision with a wall, the velocity of a 0.200-kg ball changes from25.0 m/stowardthe wall to 20.0m/s away from the wall. If the time the ball was in contact with the wall was 0.03s, what was the magnitude of the average force the wall applied on the ball?A 1000 kg car moving westward with a velocity of 10 m/s collides with a utility pole and is brought to rest in 0.25 s. Find the magnitude of the force exerted on the car during the collision.