Mathematics

Mathematics, 24.06.2019 17:30, lizdominguez101

An ice skater slides in a straight line across the ice . as she passes a certain point her velocity is 24 km/hr. two seconds later it is 13km/hr . what is the acceleration of the skater ?

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Mathematics, 26.06.2019 16:30, taniyahreggienae

Martin walked away from his school at a constant velocity for the first 30 seconds. he realized that he had to pick up a book from his friend's house which he had already passed. he turned around and walked to his friend's house at a constant velocity for 10 seconds. he stopped at his friend's house for 40 seconds and then walked away from school again at a constant velocity for the next 20 seconds. which of the following graphs best represents martin's motion? first straight line joins ordered pairs 0, 0 and 30, 25, second straight line joins 30, 25 and 40, 20, third straight line joins 40, 20 and 80, 20, and fourth straight line joins 80, 20 and 100, 50 first straight line joins ordered pairs 0, 0 and 30, 25, second straight line joins 30, 25 and 40, 20, third straight line joins 40, 20 and 80, 20, and fourth straight line joins 80, 20 and 100, 10 first straight line joins ordered pairs 0, 0 and 40, 25, second straight line joins 40, 25 and 80, 25, and third straight line joins 80, 25 and 100, 10 first straight line joins ordered pairs 0, 0 and 30, 25, second straight line joins 30, 25 and 40, 20, and third straight line joins 40, 20 and 100, 50

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Mathematics, 30.06.2019 12:00, tjsimpson1217

Which statement best describes a graph of paired points that form a proportional relationship? a straight line can be drawn through all the points and the line passes through the point (0, 3) . a straight line can be drawn through all the points and the line passes through the point (0, 0) . a straight line can be drawn through all the points and the line passes through the point (3, 0) . a straight line cannot be drawn through all the points but the line passes through the point (0, 0) .

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Physics, 17.07.2019 05:30, luisannavasquez6129

An ice skater slides in a straight line across the ice. as she passes a certain point, her velocity is 24 km/hr. two seconds later it is 13 km/hr. what is the acceleration of the skater? 5.5 km/hr/sec -5.5 km/hr/sec 11 km/hr/sec -11 km/hr/sec

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Physics, 09.11.2019 22:31, aliay6857

Astone slides in a straight line across a horizontal sheet of ice. i passes a pot a with a velocity of 14 m/s and the point b 2.5s later. assuming the deceleration is uniform and ab=30m, find the deceleration .

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