A piano string of density 0.005 0 kg/m is under a tension of 1 350 N. Find the velocity with which a wave travels on the string
a. 260 m/s
b. 520 m/s
c. 1 040 m/s
d. 2 080 m/s
e. 4 160 m/s
b
Physics & Space Science
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How much current is flowing in one of the 10-? resistors?
a.
0.80 A
b.
2.0 A
c.
1.6 A
d.
2.4 A
Physics & Space Science
A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 100 km/hr in 8.00 s. What is the speed after the first 5.00 s of acceleration? (Hint: First convert the speed to m/s.)
a. 34.7 m/s c. 23.1 m/s b. 44.4 m/s d. 17.4 m/s
Physics & Space Science
First magnitude Spica appears 2.5 times brighter than second magnitude Polaris
Indicate whether the statement is true or false
Physics & Space Science
A positron is the ______________of an electron
Fill in the blank(s) with correct word
Physics & Space Science