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4. Using the graph at right, answer the following questions. a) during which time interval or intervals is the speed 12 10 constant? b) During which time interval or intervals is the train's acceleration positive? c) During which interval or intervals is its acceleration less than zero? 2 10 20 30 Tieme ja) d) During which interval is the acceleration most Veskocity (am/s

4. Using the graph at right, answer the following questions. a) during which time interval or intervals is the speed 12 10 constant? b) During which time interval or intervals is the train's acceleration positive? c) During which interval or intervals is its acceleration less than zero? 2 10 20 30 Tieme ja) d) During which interval is the acceleration most Veskocity (am/s

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please help with questions 4 through 9
Acceleration Worksheet II 1. A race car reaches the straightaway on the race track going 140km/hr and accelerates at a rate of 3.5m/s²for 6.2 seconds. a) what is the car's initial speed in m/s? b) What is the car's speed at the end of the 6.2 seconds? c) How far did the car travel in that time? 2. A ighter jet covers a distance of 895m while accelerating from 22m/s to 35m/s. How long (in seconds) did this take to happen? 3. A proton is accelerated in a linear accelerator. If the accelerator is 0.80km long, how Tong does it take to get the proton from rest to 2.5 x 10 m/s? 4. Using the graph at right, answer the following questions. 12 10 a) during which time interval or intervals is the speed constant? b) During which time interval or intervals is the train's acceleration positive? c) During which interval or intervals is its acceleration less than zero? 10 20 30 Fierie ja) d) During which interval is the acceleration most
Transcribed Image Text:Acceleration Worksheet II 1. A race car reaches the straightaway on the race track going 140km/hr and accelerates at a rate of 3.5m/s²for 6.2 seconds. a) what is the car's initial speed in m/s? b) What is the car's speed at the end of the 6.2 seconds? c) How far did the car travel in that time? 2. A ighter jet covers a distance of 895m while accelerating from 22m/s to 35m/s. How long (in seconds) did this take to happen? 3. A proton is accelerated in a linear accelerator. If the accelerator is 0.80km long, how Tong does it take to get the proton from rest to 2.5 x 10 m/s? 4. Using the graph at right, answer the following questions. 12 10 a) during which time interval or intervals is the speed constant? b) During which time interval or intervals is the train's acceleration positive? c) During which interval or intervals is its acceleration less than zero? 10 20 30 Fierie ja) d) During which interval is the acceleration most
negative? A. в. C. D. 2. For the same graph, find the average acceleration during the given time intervals. a) 0 to 5s c) 15 to 20s b) 0 to 10s d) 0 to 40s a) b) c) d) 0. A car slows from 22m/s to 3m/s with a constant acceleration of -2.1m/s². How long does this require? 7.A race car travelling at +44m/s is uniformly accelerated to a velocity of +22m/s over an 1ls interval. What is its displacement during this time? 8.A rocket travelling at +88m/s is accelerated to +132m/s over a 15s interval. What is its displacement during this time? 2001 m 9.A car accelerates at a constant rate from 15m/s to 25m/s while it travels 125m. How long (in seconds) does this motion take?
Transcribed Image Text:negative? A. в. C. D. 2. For the same graph, find the average acceleration during the given time intervals. a) 0 to 5s c) 15 to 20s b) 0 to 10s d) 0 to 40s a) b) c) d) 0. A car slows from 22m/s to 3m/s with a constant acceleration of -2.1m/s². How long does this require? 7.A race car travelling at +44m/s is uniformly accelerated to a velocity of +22m/s over an 1ls interval. What is its displacement during this time? 8.A rocket travelling at +88m/s is accelerated to +132m/s over a 15s interval. What is its displacement during this time? 2001 m 9.A car accelerates at a constant rate from 15m/s to 25m/s while it travels 125m. How long (in seconds) does this motion take?
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