A wave of frequency of 1000 hertz vibrates at
A) less than 1000 cycles per second.
B) 1000 cycles per second.
C) more than 1000 cycles per second.
D) none of the above
Answer: B
You might also like to view...
Because the Hubble constant equals 70 km/s/Mpc, a galaxy with a recession velocity of 4,900 km/s would be a distance of ____ Mpc from Earth
a. 0.014 b. 70 c. 4930 d. 4970 e. 343,000
James and John dive from an overhang into the lake below. James simply drops straight down from the edge. John takes a running start and jumps with an initial horizontal velocity of 25 m/s
Compare the time it takes each to reach the lake below if there is no air resistance. A) Cannot be determined without knowing the weight of both James and John. B) James and John will reach the surface of the lake at the same time. C) Cannot be determined without knowing the mass of both James and John. D) James reaches the surface of the lake first. E) John reaches the surface of the lake first.
A jet airliner moving at 470 mph due east moves into a region where the wind is blowing at 110 mph in a direction 30.0° north of east. What is the new velocity and direction of the aircraft?
a. 568 mph, 5.56° N of E b. 573 mph, 5.98° N of E c. 520 mph, 9.06° N of E d. 568 mph, 10.4° N of E e. 448 mph, 9.45° N of E
In the mnemonic, My Very Educated Mother Just Served Us Noodles, _________ refers to Mars
Fill in the blank(s) with correct word