Question

can someone check my answer thanks !


2.The ability to do work or cause change is called

A.velocity.
B.energy.(I PICK B.)
C.transfer.
D.friction.


3.Which type of energy is demonstrated by a person jogging?

A.electrical energy
B.nuclear energy
C.electromagnetic energy
D.kinetic energy(I PICK D)


4.Which is the type of energy available in food?

A.electromagnetic
B.gravitational
C.chemical(I PICK C)
D.kinetic


5.Dan does 188.0 J of work raking leaves. If the rake does 128.0 J of work, what is the efficiency of the rake?

A.68.1 percent(I PICK A)
B.147.0 percent
C.60.0 percent
D.316.0 percent


6.Which type of energy transformation is taking place when natural gas is used to heat water?

A.chemical energy into thermal energy(I PICK A)
B.thermal energy into mechanical energy
C.mechanical energy into electromagnetic energy
D.electromagnetic energy into chemical energy


7.The energy associated with the motion and position of an object is called

A.kinetic energy.
B.potential energy.
C.gravitational potential energy.
D.mechanical energy.(I PICK D)
****I ACTUALLY HAD 2 CHOICES FOR 7 SO MY OTHER ANSWER IS A*****

Answer 1

I believe they are all right

Answer 2

I agree.
in #7 motion is kinetic and position is potential (for example k x^2 or mgh) so together is total mechanical

Answer 3

so b for number 7???

Answer 4

NO!!!! total mechanical D

Answer 5

You have BOTH motion AND position

Answer 6

why didn't you finsh them numbers 8 through 15 are still not answered

Answer 7

ok I think U got them all right why the Heack U ️forgot 8-15

Answer 8

8 D
9 A
10 B
11 C
12 C
13 C
14 B
15 B

Answer 9

here the full answer sheet for everyone in the future is

1.d 2.b 3.d 4.c 5.a 6.d 7.d 8.d 9.a 10.b 11.c 12.c 13.c 14.b 15.b

Answer 10

Rgx

Answer 11

Number 6 is not d..it is A...Just took the test and got 14/15..

Answer 12

They r right. Here are the answers....
1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B

Answer 13

Salted caramel is right got me 100%

Answer 14

Thank you, Salted Caramel! 100%! 15/15!!!

Answer 15

1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B all right thanks @Salted Caramel!! love you foreve

Answer 16

aweosome thanks

Answer 17

@the girl that has no friends@ hey i know you your othilia your SUPER HOT

Answer 18

no...im not hot or any thing!!!! and hw do you know me @hi?

Answer 19

dam you respond fast..i know you becuase you go to connections and your user name on alot of suff is the girl that has no friends...

Answer 20

wow...um..im not hot tho or cute or any thing....and are you rayne?

Answer 21

oh no im not im well nvm umm ttyl i have to go do school!! yea

Answer 22

oh ok and your in 9th grade right i am and yea... :T

Answer 23

Wait @hi are you Collin?

Answer 24

and he forgot number 1 but its c there is no air between the 2 flask

Answer 25

OMG SALTED CARAMEL UR THE BEST I GOT 15/15 100% THANK YOU SOOOOOOOOOOOOOOO MUCH!!!!!!!!!!!!!!!!!!!!

Answer 26

@the girl that has no friends@ if someone calls u super hot take it trust not everyone is going to say it and if your not then oh well

Answer 27

i didn't do it yet.........i hope its correct....

Answer 28

i need help

Answer 29

OMG 15/15 tanks so much guys.

Answer 30

1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B

Answer 31

1 is c

Answer 32

nevermind it is c.

Answer 33

1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B


thx salted caramel

Answer 34

Thanks Salted Caramel! sry if I spelled caramel wrong.

Answer 35

Thanks I got 100%

Answer 36

100% right thanks boo

Answer 37

so for number 1 is it energy?

Answer 38

1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B

Answer 39

The real right awser are
D
B
D
C
A
A
D
D
A
B
C
C
C
B
B

Answer 40

number one is d not c don't listen to them IT'S DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDanswers by Salted Caramel are right 1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B

Answer 41

For pretests you should get at least one wrong in a category on the unit you struggle with so that if you get some wrong on the unit test the teacher won't be suspicious.

Answer 42

5. Is 68.1.

take 128.0 / 188.0 = 0.680....., or 0.681.
0.681 * 100 = 68.085510638297872.... , or 68.1

Answer 43

Thx all yall

Answer 44

hey thank you I am stuck with this test for 2 hours even though I am a 6 grader but i am reallyyyyyyyyyyyyyyyyyyyy busy . 100% Yayyyyyy

Answer 45

Thx for the answers

Answer 46

thx

Answer 47

Yeah...whatever...thx. Umm... do you think those two ever met/got together bc they talked here? Hmm...I wonder...

Answer 48

Butter man and others are right, 2, u know

Answer 49

Number nine is A yall are idiots freaking idiots

Answer 50

this is super helpful

Answer 51

1.d
2.b
3.d
4.c
5.a
6.a
7.d
8.d
9.a
10.b
11.c
12.c
13.c
14.b
15.b

Answer 52

Salted Caramel Rox!

Answer 53

thx yall ive been failing science and this has really helped ima recomend it to other ppl

Answer 54

good idea depression. ive been failing science 2

Answer 55

wa dwdawd afff rr E WFW FSA 12WWWWWWWWWF 1 2

Answer 56

thank you salted Carmel

Answer 57

1.D
2. B
3. D
4. C
5. A
6. A
7. D
8. D
9. A
10. B
11. C
12. C
13. C
14. B
15. B

thx salted caramel

Answer 58

Butter Man is correct except that 6 is a

Answer 59

Off is correct.

Answer 60

off is correct.