Physics
Physics, 04.07.2019 12:20, ashanti0411

Suppose a car is moving in a straight line and steadily increases its speed. it moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. what is the car acceleration?

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Physics, 19.07.2019 08:50, nakarelinp0p303
Suppose a car moving in a straight line steadily increases its speed, the first second from 35 to 40 km/hr, the second second from 40 to 45 km/hr, and the third second from 45 to 50 km/hour. what is it's acceleration? (remember to include the proper unit in your answer.)
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Mathematics, 03.09.2019 22:30, coolcatbergmann
Consider this line graph that represents speed in meters/second. the x-axis is labelled in seconds; the y-axis is labelled in meters. suppose that a moving object is moving at a constant speed of 4 m/s. how would the graph for constant speed 4 m/s look, compared to the line graph seen here? a) the line would be straight and horizontal at (1,4) b) the line would straight and diagonal, going through point (4, 1) first c) the line would be straight and diagonal, going through point (5,2) first. d) the line would still curve, but would be plotted above line seen in the graph
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Physics, 18.09.2019 05:20, cwsmith8026
When are you most aware of your motion in a moving vehicle: when it is moving steadily in a straight line or when it is accelerating? if you were in a car that moved with absolutely constant velocity (no bumps at all), would you be aware of the motion? (a) accelerating. you would not be aware of the motion if you did not look outside the car. (b) accelerating. you would be aware of the motion because humans can sense speed. (c) moving steadily in a straight line. you would be aware of the motion because you can feel velocity even in a closed car. (d) moving steadily in a straight line. you would be aware of the motion because you can feel the speed.
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