KHTN 9- ÔN TẬP CÔNG THỨC
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Phương Tạ
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của công cơ học
A= F.s
A= F./S
A= P.s
A= F.t
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn vị của công cơ học là
W (oát)
J (jun)
Cm3
N (newton)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính công suất
P= F.s
P= W/s
P = A/t
P= A.t
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn vị của công suất là
W (oát)
J (jun)
Cm3
N (newton
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính động năng
Wđ= 1/2vm^2
Wđ: 2mv^2
Wđ= 1/2m^2
Wđ= 1/2mv^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính thế năng trọng trường
Wt= P.h
Wt= 1/2mv^2
Wt= P.s
Wt= vm^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính cơ năng
W= Wt+ Wa
W= Wđ+ Wa
W= Wt+ Wđ
W= 1/2mv+P.h
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