Kinematics - Equilibrium - Physics Assignment Help

Assignment Task :

P 1 (kinematics). A Porsche travelling at a constant velocity of 32 m/s passes a Mini parked on the side of the road. When the Porsche is 50 in ahead, the Mini starts accelerating uniformly at 3.5 m/s2.

(1) When will the Mini catch up to the Porsche ?

(2) How fast is the Mini travelling when it reaches the Porsche ? 
 

P 2 (equilibrium). A traffic light weighting 150 N is hung from a cable tied to two other cables fastened to a support. The upper cables make angles of 35° and 55° with the horizontal. These upper cables are not as strong as the vertical cable and the manufacturer has rated them to withstand a tension of 90 N. Does the traffic light remain hanging in this situation, or will one of the cables break ?. 

P 3 (vectors). Given two vectors as = 11+ 2j and h. = the Cartesian plane: (1) d (2) (3) a + (4)b—a (5) a — — II, draw the following vectors on 

P 4 (dynamics).  A 20 kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 3.5 kg block that is sliding on a flat table. Assuming a smooth frictionless surface of a flat table find the tension in the string and the acceleration. 

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