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 ***
60 answers
I believe they are all right
I agree.
in #7 motion is kinetic and position is potential (for example k x^2 or mgh) so together is total mechanical
so b for number 7???
NO!!!! total mechanical D
You have BOTH motion AND position
why didn't you finsh them numbers 8 through 15 are still not answered
ok I think U got them all right why the Heack U ️forgot 8-15
8 D
9 A
10 B
11 C
12 C
13 C
14 B
15 B
here the full answer sheet for everyone in the future is
Number 6 is not d..it is A...Just took the test and got 14/15..
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
Salted caramel is right got me 100%
Thank you, Salted Caramel! 100%! 15/15!!!
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
aweosome thanks
@the girl that has no friends@ hey i know you your othilia your SUPER HOT
no...im not hot or any thing!!!! and hw do you know me @hi?
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...
wow...um..im not hot tho or cute or any thing....and are you rayne?
oh no im not im well nvm umm ttyl i have to go do school!! yea
oh ok and your in 9th grade right i am and yea... :T
Wait @hi are you Collin?
and he forgot number 1 but its c there is no air between the 2 flask
OMG SALTED CARAMEL UR THE BEST I GOT 15/15 100% THANK YOU SOOOOOOOOOOOOOOO MUCH!!!!!!!!!!!!!!!!!!!!
@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
i didn't do it yet.........i hope its correct....
i need help
OMG 15/15 tanks so much guys.
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
1 is c
nevermind it is c.
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
Thanks Salted Caramel! sry if I spelled caramel wrong.
Thanks I got 100%
100% right thanks boo
so for number 1 is it energy?
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
The real right awser are
D
B
D
C
A
A
D
D
A
B
C
C
C
B
B
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
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.
5. Is 68.1.
take 128.0 / 188.0 = 0.680....., or 0.681.
0.681 * 100 = 68.085510638297872.... , or 68.1
Thx all yall
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
Thx for the answers
thx
Yeah...whatever...thx. Umm... do you think those two ever met/got together bc they talked here? Hmm...I wonder...
1 answer