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Here are the answers to SPH4U EXAM REVIEW #1.



QUESTION #

ANSWER

EXPLANATION, IF "FALSE"

1

F

a jerk or irregular motion

2

T

3

T

4

F

9.8 m/s2 [down]

5

F

vertical component

6

T

7

T

8

F

north-east

9

F

slightly greater than 15 degrees

10

F

not always equal

11

T

12

T

13

T

14

T

15

F

towards the centre of the circle

16

T

17

T

18

F

third law of motion

19

T

20

F

the same amount of work is done

21

T

22

F

scalar

23

F

the same amount of work is done

24

T

25

F

some

26

F

ideal

27

F

vector

28

F

does not accurately represent

29

T

30

F

speed direction and mass are

31

T

32

T

33

T

34

F

is conserved

35

T

36

T

37

F

valid everywhere

38

T

39

F

directly

40

T

41

F

be the same

42

T

43

F

possible

44

T

45

F

does not need to be known

46

T

47

F

called induced charge separation

48

T

49

F

increase by a factor of 4

50

F

whereas the electric force can attract or repel

51

T

52

F

joules per coulomb......joules per volts

53

F

potential difference of: change in voltage/4

54

T

55

F

lengthens, increases

56

F

reflection

57

T

58

T

59

F

destructive interference

60

T

61

T

62

F

wave theory

63

T

64

T

65

T

66

T

67

F

constructive intereference

68

T

69

F

coherent

70

T

71

F

longer than

72

F

can emit

73

T

74

T

75

T

76

T

77

T

78

F

(OMIT)a spherical probability "cloud" region

79

T

80

F

only alpha and beta can do this

81

F

in theory, it will never reach zero but approach it

82

F

less than 70,000 years old

83

T