Problem 3. (30 points) yo Steep safety ramps are built besides mountain highways to enable vehicles...
Problem 3. (30 points) yo Steep safety ramps are built besides mountain highways to enable vehicles with defective brakes to stop. A 10 ton truck enters a 15° ramp at high speed vo 100 ft/s and travels for 8 seconds before its speed is reduced to 30 ft/s. assuming constant deceleration, RAIL INES vo 15 (a) the magnitude of the braking force, (b) the additional time needed for the truck to stop. Note: 1 ton = 2000 lb