a) Work out the
Mathematics, 13.05.2021 22:50 kg4385649
The graph below describes the journey of a train between two cities.
1201
a) Work out the
acceleration, in km/h?,
in the first 15 mins.
100
80
b) Work out the distance
between the two cities. 60
Velocity (in km/h)
40
c) Work out the average
speed of the train during 20
the journey.
0!
9am
10am
Time
11 am
a)
2
b)
a =
200
km/h
D =
+ km
c)
S-
+
km/h
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Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.
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The graph below describes the journey of a train between two cities.
1201
a) Work out the
a) Work out the
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