High School Questions

Do magnets work through glass?
1 Answers
If a car covers 102 km in 6.8 liters of petrol , how much distance will it cover with 24.2 liters of petrol
1 Answers
How do you answer this?
2 Answers
Is NO a polar molecule?
1 Answers
WHAT IS the importance of moral science?
1 Answers
Why was black death important in history
1 Answers
Suggest one reason why hydrogen is called a "clean fuel"
1 Answers
A carpenter installed 10 windows in 4 hours.another carpenter installed 50 windows in 20 hours. Are the two carpenters working at the same rate?explain
2 Answers
How does a balanced chemical equation show that mass is never lost or gained in a chemical reaction
2 Answers
Are there any perfect squares that go into 380?
1 Answers
Miranda is packing eggs in cartons. Each carton holds 12 eggs. She has already filled 3 cartons. How many more eggs does she need to fill at least 17 cartons?
2 Answers
Describe the history of microscopes and evaluate their impact in the study of cells
2 Answers
What is a newton equal to in terms of units of mass and acceleration?
2 Answers
How can a diving board illustrate the newton's thrid law
1 Answers
Find the value of n. 19n-57=76
1 Answers
What is the sum of the first five terms in the series 7+12+17+..?
1 Answers
There are two bottles of tomato ketchup, one weighs 720 g and costs £1.79, while the other weighs 460 g and costs £1.00. Which bottle gives better value for money? (Hint: you have to use ratios)
2 Answers
1. A tuning fork has a frequency of 280 hertz, and the wavelength of the sound produced is 1.5 meters. Calculate the velocity of the wave. - Answer: 2. A wave is moving toward shore with a velocity of 5.0 m/s. If its frequency is 2.5 hertz, what is the wavelength?- Answer: 3. A jump rope is shaken producing a wave with a wavelength of 0.5 m. with the crest of the wave passing a certain point 7 times per second. What is the velocity of the wave?- Answer: 4. The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength? - Answer: 5. A microwave has a frequency of 4,255 Hz. and a wavelength of 0.05 m. What is the microwave’s velocity?- Answer: 6. A sound wave travels with a velocity of 460 m/s and has a frequency of 820 Hz. What is its wavelength?- Answer: 7. A wave at sea travels with a velocity of 32 m/s. If it has a wavelength of 8 m. what is its frequency?- Answer: 8. What is the frequency of a wave that has a velocity of 21.3 m/s and a wavelength of 7.8 m?- Answer:
2 Answers