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A car travels 20kph faster than a truck . The car covers …
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The car covers 480 km in two hours less than the time it takes the truck to travel the same distance . How fast does the car travel? Let S denotes the required speed of the given car. Hence from above data we get following relation, 480/ (V - 20) - 480/V = 2 or 9600 = 2* (V^2 - 20*V) or V^2 - 20*V - 4800 = 0 or (V - 80)* (V + 60) = 0
Physics - Ingrum.com
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A racing car travels 480 kilometers in 2.0 hours. Calculate the car’s average speed in km/h and m/s. 9. A gun is fired and the bullet is accelerated in the gun barrel, which is 1.00 meter long. The bullet leaves the barrel with a velocity of 600.0 m/s. Calculate the acceleration of the bullet while it is in the barrel. 10.
Speed, Distance & Time Calculator - Calculate travel …
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Chapter 2 Notes I - ricephysics.weebly.com
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A racing car driven by Speed E. Demon travels 480 kilometers in 2.0 hours. Calculate the average speed in km/hr and convert to m/s. Step 3 Show substitution (with units) and answer v = 480 km= 240 km/hr 2 hrs Step 1 List Variables d= 480 km v = ? t = 2 hrs Step 2 Show Formula (arranged to solve for unknown) v = d
[Solved] A man travels 480 km in 4 hours, partially by air and partia
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Total distance = 480 km. Total time taken = 4 hrs. Formula used: Distance = Speed × Time. Calculation: According to the question, Time taken if he travels only by air = 4 - 2 = 2 hr. Speed of man if he travels by air ⇒ 480/2 = 240 km/hr. He saved 4/5 th of time taken by train = 2. Time taken by train ⇒ 2 × (5/4) = 5/2 hrs. So, time taken ...
a car travels 480 miles in 8 hours. what is the unit rate
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If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled. mathematics. PLS HELP!!! If a car travels at a constant rate of speed, the distance that it travels varies directly as time. If a car travels 75 miles in 2.5 hours, it …
A train travels a distance of 480km at a uniform speed. If …
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Let the speed of the train be x km/hr. Then Time taken to travel a distance of 480km= x480 hr Time taken by the train to travel a distance of 480km with the speed (x− 8)km/hr= x−8480 hr It is given that if the speed had been 8km/hr less, then the train would have taken 3 hours more to cover the same distance ∴x−8480 = x480 +3 ⇒ x−8480 − x480
A train travels a distance of 480 km at a uniform speed. If the speed
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Ex 4.1 ,2 Represent the following situations in the form of quadratic equations : (iv) A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to …
a car travels 480 miles in 8 hours. what is the unit rate
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The velocity of a car (in miles per hour) is given by v (t) = 61.25t − 17.5 t^2 where t is in hours. Write a definite integral for the distance the car travels during the first 2.5 hours. Use your graphing calculator to find this.
A train leaves the station at time t=0. Traveling at a
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If the train travels 480 kilometers in 4 hours, then it will travel 120 kilometers in one hour, therefore: d = 120t. if t = 0 ⇒ d = 0, because the train is still at the station and if t = 1 ⇒ d = 120. Now we replace d by f (t), because d = f t): f(t) = 120t. for any given value of t, d will be equal to t multiplied 120 times
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