Ask a professional or bring it to a lab to have it tested.
1 mile = 5,280 feet
5,280 feet = 63,360 inches
63,360 inches = 160,934.4 centimeters
A : 30 seconds
B: T = 2π Square root of√L/g,
C: how many back-and-forth swings there are in a second, measured in hertz. f = [√(4.9)]/6.28 = 2.21/6.28 = 0.353 Hz.
Answer:
Answer (D) d = m/V
Explanation:
density = mass / volume volume = mass / density length x width x thickness (height) = volume >>>substituting>>> length x width x thickness = mass / density thickness = mass / (density x width x length)