A student measures the speed of a rolling ball three times. She adds the measurements and divides by 3.What quantity did the stu dent calculate? average speed varying speed constant speed instantaneous speed
2 answers:
Hey there! A ball rolls 3 times. If she adds the three measurements and divides it by 3, it means that this is the average speed. The average speed is found by adding all measurements and dividing by the amount of numbers. I hope this helps!
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Answer:
Explanation:
Distance divided by time gives average speed.
Gravitational pull Hope I helped
D. 18.1
K^+H^+G^=180° (sum of int angles of triangle)
K^+30+62=180
K^=88°
GH/sinK=KG/sinH
X/sin88=16/sin62
X*sin62/sin62=16*sin88/sin62
X=18.1
Answer:
3.31m/s
Explanation:
Angular momentum for 3s is
Moment if inertia is
Angular speed
ω = L/I
The speed of each ball is
V = ωL