Adamaged 1200 kg car is being towed by a truck. neglecting friction, air drag, and rolling resistance determine the extra power required for (a)constant velocity on a level road (b) for constant velocity of 50 km/h on a 30 deg (from horizontal) uphill road, and (c ) to accelerate on a level road from stop to 90 km/h in 12 sec. ans: 0, 81.7 kw, 31.3 kw