Answer:
288 cm is 2.88 meters. This is because each centimeter is 1/100th of a meter, or in other words, each meter is 100 cm. To find out cm-m, divide the amount of cm by 100 and change the unit to m.
Explanation:
formula is cm/100=m
288/100= 2.88m
Sally's average speed is <u>35.3 mi/h.</u>
Average speed of a body is the total distance traveled in the given time interval.
Express the distance d traveled in miles.
![d=\frac{97 km}{1.6 km/m\\i} \\ = 60 mi](https://tex.z-dn.net/?f=%20d%3D%5Cfrac%7B97%20km%7D%7B1.6%20km%2Fm%5C%5Ci%7D%20%5C%5C%20%3D%2060%20mi%20)
Express the time t traveled in hours.
![t =\frac{102 min}{60 min/hr}\\ = 1.7 h](https://tex.z-dn.net/?f=%20t%20%20%3D%5Cfrac%7B102%20min%7D%7B60%20min%2Fhr%7D%5C%5C%20%3D%201.7%20h%20)
Calculate the average speed v.
![v =\frac{d}{t} \\ =\frac{60 mi}{1.7h} \\ = 35.3 mi/h](https://tex.z-dn.net/?f=%20v%20%3D%5Cfrac%7Bd%7D%7Bt%7D%20%5C%5C%20%3D%5Cfrac%7B60%20mi%7D%7B1.7h%7D%20%5C%5C%20%20%20%3D%2035.3%20mi%2Fh%20%20%20)
Her average speed is 35.3 mi/h, which is less than the speed limit of 65 mi/h.
However, the average speed of an object is different from its instantaneous speed. It could be possible that at the time when the officer apprehended her, Sally could have been travelling at a speed greater than the prescribed speed limit, which would have prompted the officer to issue a speeding ticket to her.
Thus, the average speed of a person cannot be considered as a bench mark for speeding offences, since her instantaneous speed could have been higher than the speeding limit and yet she could have had an average speed less than the speeding limit.
Answer:
option D
Explanation:
the correct answer is option D
acceleration of a body under free fall due to the effect of gravity is the called acceleration due to gravity.
Acceleration due to gravity is a constant value.
According to the International System of Measurements the acceleration due to gravity is 9.81 m/s² when an object falls vertically.
acceleration due to gravity is denoted by 'g'.
D, the primary colors of pigments mix to make white.
Cyan, magenta and yellow don't make white, instead they make black.