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1&2 please
g 9.80 z tan θ = 노 1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average acceleration in km/h/s a nd m/s? 2. An object moving in the r-direction has a position described by the function x(t) 6.30t 8.7012, where t is in seconds and x is in meters. What is the acceleration as a function of time?
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dv 105km / h dt5.21 1) acceleration of the car-a -20. I 5 km/ h / s = 5.598 = 2)x(t) 6.30t +8.70t vt)-xU6.30+17.40t dt a(t) =dy(1)= 17.40 m (whichisconstant) dt

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