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f(b)-f(a)/b-a to calculate the average

A car mass of 900kg travelling at 15m/s crashes into a wall and comes to rest in 0.3s. Calculate the average decelaration.
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2. asked by James
3. 869 views
A 64 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.5 h starting at an elevation of 2900 m.
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2. asked by mike
3. 818 views
A Runner Jogs 12km North Then Turns And 16km East in Three Hours.1 What Is His Displacement? 2 Calculate His Average Speed 3
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2. asked by Anonymous
3. 529 views
a runner jops 12km north then turns and runs 16km east in three hours.a/what his displacement b/calculate his average speed
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2. asked by Anonymous
3. 473 views
A horse canters away from its trainer in a straight line, moving 140 m away in 16.0 s. It then turns abruptly and gallops
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2. asked by ami
3. 914 views
A horse canters away from its trainer in a straight line, moving 110 m away in 16.0 s. It then turns abruptly and gallops
1. 2 answers
2. asked by Jon Tres
3. 614 views
A horse canters away from its trainer in a straight line, moving 100 m away in 19.0 s. It then turns abruptly and gallops
1. 0 answers
2. asked by Giulianna
3. 554 views
A horse canters away from its trainer in a straight line, moving 130 m away in 13.0 s. It then turns abruptly and gallops
1. 1 answer
2. asked by royaa
3. 795 views
Horse canters away from its trainer in a straight line moving 130 m away in 16.0 s. It then turns abruptly and gallops halfway
1. 3 answers
2. asked by Joshua
3. 3,438 views
A horse canters away from its trainer in a straight line, moving 140 m away in 16.0 s. It then turns abruptly and gallops
1. 1 answer
2. asked by ami
3. 596 views