A wheel starts from rest and rotates with a constant angular acceleration about a fixed axis. It completes the first revolution 6.0 s after it started. How long after it started will the wheel complete the second revolution?
a. 9.9 s
b. 7.8 s
c. 8.5 s
d. 9.2 s
e. 6.4 s
c
Physics & Space Science
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Sunlight is absorbed by a black hat.
C. Consistent D. Inconsistent
Physics & Space Science
A single bar of soap has a small light attached. The bar is released in a river and a snapshot is taken every second from a blimp which is stationary over the river. The snapshots are all superimposed on one large picture. The line formed by connecting the dots is:
(A) A streamline (B) A streakline (C) A pathline (D) A line that has not been defined
Physics & Space Science
When a heavy barge floats above a fish swimming in the water below, does the PRESSURE exerted upon the fish change (and why)?
What will be an ideal response?
Physics & Space Science
The proper abbreviation for ‘seconds' is ‘sec.'
Indicate whether the statement is true or false
Physics & Space Science