The energy levels for electrons vary from one element to another
Indicate whether the statement is true or false
TRUE
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The symbol indicating the mass number of a nucleus is __________
Fill in the blank(s) with correct word
Jovian worlds that orbit close to their host stars are called ____________
Fill in the blank(s) with correct word
Components: The eastward component of vector is equal to the westward component of vector
and their northward components are equal. Which one of the following statements must be correct for these two vectors?
A. Vector is parallel to vector
.
B. Vector is antiparallel (in the opposite direction) to vector
.
C. Vector must be perpendicular to vector
.
D. The magnitude of vector must be equal to the magnitude of vector
.
E. The angle between vector and vector
must be 90°.
If M = 2.0 kg, what is the tension in string 1?
A. 1.2 N B. 11 N C. 34 N D. 3.5 N E. 40 N