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1. The following diagram represents a cart with an initial velocity of 1.0 m/s sliding along a frictionless track from point A: A velocity =

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The following diagram represents a cart with an initial velocity of 1.0 m/s sliding along a frictionless track from point A: A velocity = 1:0 m/s 3.0 m B D 2.5 m mass of cart = 2.0 kg Which point will the cart be passing while its kinetic energy is decreasing? OA OB OC ODChoose the force diagram (free body diagram) that best represents the forces acting on the object. The effects of air resistance are negligible. A heavy box on the floor that is being pulled horizontally but not moving: Diagram A Diagram B Diagram C Diagram D O Diagram A O Diagram B O Diagram C O Diagram DWhich of the fundamental forces underlies the interactions between atoms and molecules? O Electromagnetic O Gravitational O Strong nuclear O Weak nuclearWhich statement is true? C) Weight is directly related to mass. C) Weight is inversely related to mass. 0 Weight is not related to mass. C) Weight is always equal to mass. An object traveling at a 14.0 m/s has a mass of 3.9 kg. What is the magnitude of the object's momentum? O 17.9 kg m/s O 27 kg m/s O 55 kg m/s O 380 kg m/sA 48.0-kg diver jumped to a maximum height of 11.0 meters. From there, the diver falls from rest and hits the pool at a speed of 8.81 m/s. How much energy was transferred into thermal energy during the fall? O 1,150 J O 3,310 J 4,080 J 5,550 JAn automobile of mass 2.46 E3 kg rounds a curve of radius 35.0 m with a velocity of 12.0 m/s. The centripetal force exerted on the automobile while rounding the curve is O 843 N O 1.03 E 6 N O 1.01 E 4 N O 2.51 E 5 NAn object is attached to a string. It is twirled in a horizontal circle above me ground at a speed according to the image below. i .h The direction of the force in the string at the object's location shown points toward which letter? A car with mass m traveling at speed v has kinetic energy K. What is the kinetic energy of a second car that has the same mass and triple the speed of the first car? O0.3 K OK O 3 K O9KCart A is moving toward Cart B at rest and hits it. Cart A stops moving. Cart B is now moving with a faster velocity than Cart A had from before the collision. From this observation, we can conclude that the carts O have equal masses O have unequal masses O have equal momentum before the collision O have equal momentum after the collisionAs a charge becomes stronger, other charges nearby will feel the electric force of attraction O cancel out O decrease O increase O remain the sameA crane raises a 150-N weight to a height of 2.0 m in 5.0 s. The crane's power generated is O 10. W O 30. W O 60. W O 380 WA moving car has a kinetic energy of 9.10 E4 J. The mass of the car and its contents is 1,220 kg. What is the speed of the car? O 3.50 m/s O 6.11 m/s O 12.2 m/s O 149 m/sIt friction is ignored when an object is dropped and hits the ground. how does its kinetic energy just before striking the ground compare to its gravitational potential energy at the top of the drop? C) Kinetic energy is greater. C) Kinetic energy is less. O The energies are the same. 0 The energies are unrelated. In a free body diagram, the normal force will point in the direction that is O opposite of the weight O the same as the weight O perpendicular to the surface O parallel to the surfaceThe moon has a mass of 7.35 E 22 kg and is located 3.84 E 8 meters from Earth. If a car on Earth has a mass of 3,450 kg, what is the gravitational force between this car and the moon? Remember to include your data, equation, and work when solving this problem.A ball of mass 0.34 kg and a velocity of +4.9 m/s collides head-on with a ball of mass 0.75 kg that is initially at rest. No external forces act on the balls. After the collision, the velocity of the ball which was originally at rest is +2.16 m/s. What is the velocity of the 0.34 kg ball after the collision? Remember to include your data, equation, and work when solving this problem.The mass oi a steel wrecking ball is 1.?5 E3 kg. What power is used to raise it to a height of 40.0 m if the work is done in 25.0 seconds? Remember to include your data equation. and work when solving this

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