# A Car Is Traveling On A Straight Road

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A Car Is Traveling On A Straight Road – Question: A car drives on a straight road and always goes in the same direction. The car starts from a standstill, undergoes constant acceleration for T seconds to reach a speed of 48 m/s, and then drives at this constant speed of 48 m/s. For a distance of 1260 m, the car needs only 39 seconds. Determine: a) [2] the singular equation that

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## A Car Is Traveling On A Straight Road

The car drives on a straight road and always goes in the same direction. The car starts from a standstill, undergoes constant acceleration for T seconds to reach a speed of 48 m/s, and then drives at this constant speed of 48 m/s. For a distance of 1260 m, the car needs only 39 seconds. Define: a) [2] A single equation that defines the time T (‘tau’) in terms of a given total distance, maximum speed and total time: (Use ONLY the symbol T, ‘tau’ and exact numbers here – – Integers and/or simple rational numbers only. There is no need to “solve” or even simplify a simple linear equation here. This is essentially part b. Hint: Divide the total distance by the distances found in each of the both steps have been traveled, and then add them . .) (b through d drilling three sigs for each through , but retaining enough intermediate sigs not to propagate rounding errors.) b) [1] Numerical value of T: T C) [ 1.5] value of the constant acceleration from 0 to T S in the time interval (i.e. during the first acceleration phase I of the movement): a = m/s2 d) [1.5] the distance covered by the car from standstill to reaching 48 m/s (i.e. during the I phase of the movement tion): dj= m

## View Straight Highway Sunny Day Car Travel Concept Stock Photo By ©vera_petrunina 208372332

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