30. Determine the frequency of the wave below.
a. 2 H2
b. 4 Hz
c. 8H2
d. 16 HZ

An uplifted block of rock between two normal faults

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n