Two harmonic waves moving in the same direction are described by y1(x,t)=10.2sin(4x-700t) and y2(x,t)=10.2sin(4x-700t-7.9). What is the amplitude of the resultant wave at interference
Answers
Answer:
14.42 units
Explanation:
The waves are given as follows :
We need to find the amplitude of the resultant wave at interference. Let it be A. So,
So, the amplitude of the resultant wave is equal to 14.42 units.
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Answer: true true true true , i took the test
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-ScienceBuddies.com
Globular clusters are nearly spherical groups of about 10,000 to 1 million stars. A typical galaxy may contain up to a few hundred globular clusters; our galaxy, the Milky Way, has somewhere between 125 and 200 globular clusters orbiting the galactic center.
B The spring descriptions of motion are switched
C Particles travel along the wave in longitudinal waves
D Particles move long distances in transverse waves
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b. inertia
c. momentum
d. chemical energy
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By definition, we have to:
Digestion is the transformation of foods that are ingested into simpler substances to be absorbed.
Digestion has different processes:
1) Mechanical processes to reduce the size of food.
2) Chemical processes to reduce the size of the particles and prepare them for absorption.
Therefore, the energy derived from the digestion process is the chemical energy.
Answer:
The energy derived from the digestion of food is chemical energy.
Answer: Chemical energy
Explanation:
Digestion is a chemical process where glucose burns in presence of oxygen producing energy which helps us to perform work and liberating carbon-dioxide and water. The carbon-dioxide is exhaled out.
C₆H₁₂O₆ (Food) + O₂ → CO₂ +H₂O+ Energy
Thus, through digestion chemical energy is obtained as old bonds are broken to form new bonds through a chemical process.
A. 30.6 m
B. 122.5 m
C. 12.3 m
D. 49.0 m
Answers
Answer: The correct answer is option (A).
Explanation:
Initial velocity of the balloon = 0 m/s
let the distance covered by the balloon from roof to the ground= h
Time taken by the balloon to reach the ground = t = 2.5 seconds
Acceleration due to gravity = g =9.8
Using confuse equation of the motion:
Hence, the correct answer is option (A).
ANSWER: A
Answers
One is a rate. The other is a quantity, after maintaining a rate for some time.
-- 'Joule' is a unit of energy. It's the amount of work (energy) you do
when you push with a force of 1 newton though a distance of 1 meter.
Lifting 10 pound of beans 3 feet off the floor takes about 40.7 joules of energy.
-- 'Watt' is a rate of using energy . . . 1 joule per second.
If you lift 10 pounds 3 feet off the floor in 1 second, your power is 40.7 watts.
-- 'Watt-second' is the amount of energy used in one second,
at the rate of 1 joule per second . . . 1 joule.
-- 'Watt-hour' is the amount of energy used in one hour,
at the rate of 1 joule per second . . . 3,600 joules.
-- 'Kilowatt' is a bigger rate of using energy . . . 1,000 joules per second.
-- 'Kilowatt - second' is the amount of energy used in one second,
at the rate of 1,000 joules per second . . . 1,000 joules .
-- 'Kilowatt - hour' is the amount of energy used in one hour,
at the rate of 1,000 joules per second . . . 3,600,000 joules .
Depending on where you live, 3,600,000 joules of energy bought
from the electric company costs something between 5¢ and 25¢.
Kilowatt is a measure of POWER