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Questions (22)
When a person wears a hearing aid, the sound intensity level increases by 35 dB. By what factor does the sound intensity
0 answers
617 views
An amplified guitar has a sound intensity level that is 11 dB greater than the same
unamplified sound. What is the ratio of the
0 answers
590 views
Assuming an object at infinity, a person has far points of 5.2 m from the right eye and 6.2 m from the left eye. Describe the
2 answers
557 views
The distance between the lenses of a microscope is 18 cm. The focal length of the eyepiece is 1.8 cm. If the microscope is to
2 answers
1,285 views
An object has an angular size of 0.0140 rad when placed at the near point (20.0 cm) of an eye. When the eye views this object
1 answer
624 views
The mass of a string is 6 grams, and it is stretched so that its tension is 150 N. A transverse wave travelling on this string
1 answer
541 views
A string on a violin is tuned to vibrate at a fundamental frequency of 65.0 Hz. If the tension in the string were increased by a
1 answer
689 views
Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed with mean, \mu = 108 mmHg
2 answers
2,428 views
The area of a wetland drops by 1/4 every 8 years. What percent of its total area disappears after 40 years?
Percent lost %?
3 answers
2,041 views
Can anyone help with the following? I think i have the answer i would just like to verify that it is correct,
An equipotential
1 answer
572 views
In doing a load of clothes, a clothes dryer uses 16 A of current at 240 V for 45 min. A personal computer, in contrast, uses 2.7
1 answer
1,055 views
Dolphins emit clicks of sound for communication and echolocation. A marine biologist is monitoring a dolphin swimming in
0 answers
1,183 views
A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature
2 answers
1,059 views
A rectangular block has dimensions 1.5cm x 3.2cm x 3.9cm and a mass of 61g.
Determine the density in SI units My taking on the
2 answers
534 views
John’s mass is 81.0 kg, and Barbara’s is 62.4 kg. He is standing on the x axis at xJ = +9.41 m, while she is standing on the
0 answers
936 views
You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, it moves a
1 answer
642 views
A 0.5370 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl
1 answer
1,011 views
A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the
0 answers
570 views
A speed skater goes around a turn that has a radius of 31 m. The skater has a speed of 13 m/s and experiences a centripetal
1 answer
707 views
A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the
0 answers
537 views
On earth, two parts of a space probe weigh 18300 N and 4440 N. These parts are separated by a center-to-center distance of 5.11
3 answers
3,620 views
Traveling at a speed of 19.3 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
1 answer
988 views
Answers (4)
82.64%
40/8=5 .75^5=0.2373 100-23.73=76.27% thanks :)
Domain: The domain of a function is the set of all possible input values (usually x), which allows the function formula to work. Range: The range is the set of all possible output values (usually y), which result from using the function formula.
Thank you for the answer, I probably should have specified that I only wanted a formula to help me figure it out, but thanks :)
