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While a 1000kg car was traveling 50m/s, the brakes are applied to slow it down to...

Question:

While a 1000kg car was traveling 50m/s, the brakes are applied to slow it down to 10m/s, what is the total work done on the c

While a 1000kg car was traveling 50m/s, the brakes are applied to slow it down to 10m/s, what is the total work done on the car. A) 120,000 J B) 1200 kJ C) -120,000JD -1200 kJ E) None of the above vf I A constant force F is applied for 6 seconds to change the particle's velocity from vi to vy. Determine the force F if the particle's mass is 6 kg. A) (17.3 j) N C) (-17.3 j) N B) (20 i +17.3j)N D) (-20 i -17.3j) N E) None of the above V=10 m/s @ t2 = 8 s V=20 m/s @ tz = 2 s Impulse by an external force applied on a rigid body can cause change in A) Linear momentum C) Angular momentum B) No change in momentum D) Both Linear and Angular momentum E) None of the above

Answers

© AKE - 4m (Vg2 - 1,2) AKE = x1000x (102-502) OKE= - 1200 kJ → BY emengy conses vation WAKE - W =-1200 kJ 2 E dt c m (Vaze-voplease gi

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