A 1500 kg car traveling at 15 m/s suddenly runs out of gas while approaching the valley shown in the figure(Figure 1). The alert driver immediately puts the car in neutral so that it will roll. What will be the car’s speed as it coasts into the gas station on the other side of the valley

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A: The given data are: m=0.2 kgv=3 m/s Here, m and v represent the mass and the initial speed.

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A: Given that:m=150 g=0.150 kghi=2.25 m

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Q: A basketball player drops a 0.5 kg basketball vertically so that it is traveling at 5.0 m/s when it…

A: Mass, m = 0.5 kg  Initial velocity , v = 5 m/s  Rebounding velocity, v'=3.2 m/s

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Q: ANALYZING MOMENTUM vs. TIME GRAPHS Identify which of the following MOMENTUM vs. TIME graphs are…

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Q: Using the alternate form of Newton's second law, compute the force (in N) needed to accelerate a…

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Q: The speed of a bullet can be measured by firing it at a wooden cart initially at rear and measuring…

A: mass of the bullet = mb=12g= 0.012kg its initial velocity(before collision) = Vbi= ? mass of wooden…

Q: A metal ball of mass 0.159 kg approaches a stationary wall with a speed of 6.21 m/s at an angle of 0…

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Q: Two cars of masses mį and m2 collide at an intersection. Before the collision, car 1 was traveling…

A: Apply momentum conservation in x-direction. m1v1=m1+m2vcosθvcosθ=m1v1m1+m2      ...... (1)

Q: The Tesla/SpaceX Falcon Heavy Rocket has a thrust of 22,819 kilonewtons (kN) . Stage 1 of the rocket…

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Q: Little Tammy lines up to tackle Jackson to (unsuccessfully) prove the law of conservation of…

A: Given data: Mass of Tammy m1=34 kg Mass of Jackson m2=54 kg Velocity of Jackson v =3 m/s

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Q: What object would have greater momentum? A baseball thrown at 89mph or a skateboarder riding down a…

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Q: A 47.0 kg boy stands on a sled that is stopped in the middle of a frozen pond. The boy jumps…

A: Dear student When there is no external force acting on the system the momentum bremains conserved.…

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A: The alternate form of Newton’s second law of motion is:

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Q: A 2.45 kg ball is shot into a 0.45 kg box that is at rest on a frictionless horizontal table. The…

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Q: #5 uses a graphic to show to show the velocities of two objects before and after a collision. The…

A: Answer :-  The object on the left has a greater mass Because  Momentum(P) = Mass (m). Velocity (v)

Q: An 82 kg male and and a 42 kg female pair figure skating team are gliding across the ice at 7.4 m/s,…

A: Solution: as given that m1 = 82 kg m2  = 42 kg v = 7.4 m/s v2 = 8.6 m/s

Q: A 7.56kg red ball is rolled at a 6.5kg green ball. The red ball was moving with an initial speed of…

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Q: Bob and Tom take a sled weighing 10 N to a frozen pond. The sled is initially at rest on the ice.…

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A: Mass of the clay ball, m=0.07 kg Distance traveled by the clay, a=1 m Mass of the brick, M=2 kg…

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Q: A 81.1 kg blue bumper car and rider are traveling at 8.1 m/s. They rear end a red bumper car of mass…

A: Mass of the blue car, mb = 81.1 kgMass of the red car, mr = 71.3 kgInitial velocity of blue car, ub…

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A: It is given that,

Q: A 2.5 kg ball strikes a wall with the velocity of 8.5 m/s to the left the ball bounces off with a…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”