A 1500 kg truck moving at 15 m/s strikes a 750 kg car stopped at a traffic light. The vehicles hook bumpers and skid together at 10 m/s. What is the decrease in kinetic energy?

Q: 7.0 kg D. 8.0 kg 4.0 kg V2

A: Momentum of a particle of mass m moving with velocity v is given by    P = mv

Q: 9. The gravity on the moon is about 1.6m. If a person jumps with an initial velocity of 2 off the…

A: Solution:-Given thatGravity on moon (g)=1.6 m/s2Initial velocity (u)=2 m/s

Q: 4. A 12 kg box is released from the top of an incline that is 5 m long and makes an angle of 40° to…

A: Given: The mass of the object is 12 kg. The length of the ramp is 5 m. The angle of inclination is…

Q: 6. An elevator weighs 3000 kg. What is its acceleration when the tension supporting cable is 33000…

A: Given, The mass of the elevator, M=3000kg The tension in the cable, T=33000N According to the second…

Q: 3. A block initially traveling at 2 m/s to the right slides 3 m before it comes to rest. What is the…

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Q: 5. A strong cord which can withstand a maximum tension of 3000 pounds is supporting a 2400 pound…

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Q: 8. An object accelerates 12.0 m/s when a force of 6.0 newtons is applied to it. What is the mass of…

A: If an object of mass m accelerates by a when a force F is applied to it. Then according to Newton's…

Q: 10. A boat moves forward when you pull an oar through the water. Which fundamental force of nature…

A: Solution:- A boat moves forward when you pull an oar through the water this is because of Newton's…

Q: 2.A body weighing 18 kg starts from rest and slides down a plane at an angle of 30 degrees from the…

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Q: 18.A 25 kg hanging object is connected by a light, inextensible cord over a light, frictionless…

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Q: 4. A truck travels a curve of radius 17 m and the mass of the truck is 5,900kg. The force of the…

A:

Q: what is the horizontal component of the 659 kN force in kN? 11. what is the vertical component of…

A: To calculate: The horizontal and vertical component of 659 kN.  The component of the force along the…

Q: An 8.0 kg object moving with an initial velocity of 8.0 m/s on a surface comes to rest due to…

A: m = 8 kg  Initial velocity (v) = 8.0 m/s  Horizontal distance (x) = 10 m  g =10 m/s2

Q: 7. A 1250 kg car accelerates from rest to 6.13 m/s over a distance of 8.58 m. Calculate the average…

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Q: 2. The rated speed of a highway curve a of 250ft radius is 40mph. If the coefficient of friction…

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Q: 10. What is the tension in a crane's cable when it is used to lower a 1100 kg box vertically…

A: Given. mass of the box, m= 1100 kgdown ward acceleration, a = 0.4 m/sec2   Gravitational…

Q: 12. An object accelerates 16.3 m/s? when a force of 4.6 newtons is applied to it. What is the mass…

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: A train has a mass of 1.0x107 kg. If the locomotive can exert a constant traction  of 6.8x105 N. How…

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Q: $7

A: Given that:-v=76 m/sr=159 mand, m=1600 kgAs car is not slipping,Hence Net force on the car is equal…

Q: 10. An object accelerates 2.0 m/s? when a force of 12.0 newtons is applied to it. What is the mass…

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Q: 6. In the given balance scale of kilograms below, find the following; a. The value of A. * 1000 DE…

A: The value of A.