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When the speakers are out of phase then determine the smallest distance between the speakers for which the interference of the sound waves is highest constructive?
The isolated atom can emit a photon, and the atom’s internal energy drops. Is it possible that an isolated electron emit a photon? Describe why or why not.
Determine the speed at which the propellant should be expelled to make the trip from the Earth to the Moon, a distance of 3.82 x 105 km, in 6.50 hours?
The organic molecules are easily decomposed by the heat which are responsible for delicate odor of orchids so explain how could you recover the organic molecules without the use of solvents
An bullet of 8.00 g is fired to a 210 g block which is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and following the impact the block lands d = 2.2 m
A bullet of 7.0 g is fired to a ballistic pendulum of1.5 kg. The bullet emerges from the block having a speed of 200 m/s, and the block increases to a maximum height of 10 cm. Determine the initial
Suppose your garden has formed a large supply of corn, and you wish to preserve this corn so you can have some corn fests in the winter and you know that the garden vegetables may be contaminated wi
Through how many revolutions does the tub turn through this 23 s interval? Suppose constant angular acceleration while it is beginning and stopping.
A small moon of a big planet consists of an orbital period of around 1.78 days and the orbital radius of 4.77 x 105 km. From these data, find out the mass of the planet.
A diverging thin lens consists of a focal length of 20 cm. A virtual object is positioned on the optical axis 25 cm from the lens. Create a ray tracing diagram. (Try to sketch it carefully to scale).
A spherical concave mirror consists of a radius of 20 cm. A real object is positioned on the optical axis 15 cm from the mirror. i) Calculate where the image is and explain it (real or virtual, uprigh
In family with four children, find probability that i) all children are boys, ii) all children are same sex, and iii) there is at least one boy?
Determine the minimum diameter of the platform which would prevent the jewel from being seen. Suppose the water surface is calm, the index of refraction of water is 1.33, and the depth of water is a
Determine probablitity that the sale will be made with i) all six contacts ii) none of contacts c)at least 1 vehicle is available at the given time?
When the wire is detached and a part of it is tightly wound to a loop of many coils and the wire is then rejoined to the generator, will the measured current through the wire be greater, lesser, or
The current sensitive circuit in a portable DVD player includes of a DC power source and a light bulb which is employed as an indicator light.
Find out the molality of a solution that consists of 7.13 mL of carbon tetrachloride (CCl4, d = 1.59 g/mL) in 91.5 mL of methylene chloride (CH2Cl2, d = 1.33 g/mL)?
Determine the relative velocity (magnitude and direction) of the sail-boat as viewed by the passengers on the ocean-liner. Find out the directional angle relative to due north.
The force of 100lbs is being applied parallel to the frictionless inclined plane to hold the 600lbs weight on plane. Determine angle of inclination of plane.
By using the Gauss's Law and the explanation of Capacitance, write down the equation for the capacitance of two concentric spheres.
How can calculate the mass in grams of sucrose that must be added to 42.7 g of water to make a 2.40 m solution. Explain in detail.
If she raises her moment of inertia by 17 % by spreading out her arms and legs, determine her new rotation rate in REVOLUTIONS per second?
Determine the piecewise-defined function P which specifies price of item after t years have passed. Let P(t) = price of item in dollars after t years have passed.
The velocity of ball relative to the cannon is such that if the shot takes place, the cannon stop cold. Determine the velocity of the ball relative to the cannon?
A hanging object of 9.80 kg is joined by a light, inextensible cord over a light, frictionless pulley to a block of 5.00 kg which is sliding on a flat table. Taking the coefficient of kinetic fricti