13. The 20 kg box is being pulled along the x-axis by a student. The box...

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13. The 20 kg box is being pulled along the x-axis by a student. The box slides across a rough surface, and its position x varies with time / according to the equation x = 0.5t + 2t+10 (a) What is the boxes displacement in the first 6 seconds? x= .5(6) + 2(6)+10 (b) Determine the speed of the box at time t = 0. X = 10m OS 11 x=670m almost 0. (c) Determine the momentum of the box at t= 6 s. 111.5m 20kg = why? 2233.3 kgm S (d) What is the kinetic energy of the box at t = 6 s? (20)(111.5) =0 124694.2956 kamz (e) Determine the following as functions of time t. i. The kinetic energy of the box - =(20) 5t4 +2t+10 X ii. The net force acting on the box .5t (20) (+5+++2+10) x t iii. The power being delivered to the box (207*( 5t +2t +10, 2 t cannot do m.v ?? (1) ++10) st +2t+10 t (f) Calculate the net work done on the box in the interval t = 0 to t = 6 s. -3 (g) Calculate the impulse delivered to the box in the interval t = 0 tot = 6 s. -3 13. The 20 kg box is being pulled along the x-axis by a student. The box slides across a rough surface, and its position x varies with time / according to the equation x = 0.5t + 2t+10 (a) What is the boxes displacement in the first 6 seconds? x= .5(6) + 2(6)+10 (b) Determine the speed of the box at time t = 0. X = 10m OS 11 x=670m almost 0. (c) Determine the momentum of the box at t= 6 s. 111.5m 20kg = why? 2233.3 kgm S (d) What is the kinetic energy of the box at t = 6 s? (20)(111.5) =0 124694.2956 kamz (e) Determine the following as functions of time t. i. The kinetic energy of the box - =(20) 5t4 +2t+10 X ii. The net force acting on the box .5t (20) (+5+++2+10) x t iii. The power being delivered to the box (207*( 5t +2t +10, 2 t cannot do m.v ?? (1) ++10) st +2t+10 t (f) Calculate the net work done on the box in the interval t = 0 to t = 6 s. -3 (g) Calculate the impulse delivered to the box in the interval t = 0 tot = 6 s. -3