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A 4.9-m-wide swimming pool is filled to the top. The bottom of the pool becomes completely shaded in the afternoon when the sun is 25° above the horizon.
How deep is the pool?
Express your answer using two significant figures.
An object with mass 2.7 kg is executing simple harmonic motion, attached to a spring with spring constant k=280N/m. Calculate the maximum speed attained by the object
An interferometer is used to measure the length of a bacterium. The wavelength of the light used is 650 nm. How long is the bacterium
A 5.27-kg object passes through the origin at time t = 0 such that its x component of velocity is 4.95 m/s and its y component of velocity is -3.03 m/s.
Speed of an aircraft at takeoff when launched from a catapult on an aircraft carrier The catapult on an aircraft carrier can take an aircraft from 0 to 207 mph in 9 seconds, at which time the aircraft launches.
An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
a bell ringer decides to use a bowling ball to ring the bell. he hangs the 7.3kg ball from the end of a 2m long rope.
Which describes the molecular behavior of a solid? Molecules are rigid and do not move. Molecules vibrate around a fixed point.
In a series of oil-drop expiriments, the charges measured on the oil drops were -3.20 x 10^-19 C , -6.40 x 10^-19 C , -9.60 x 10^-19 C , and -1.12 x 10^-18 C . What is the smallest difference in charge between any two drops? If this is assumed to ..
Two small containers, each with a volume of 100cm3 , contain helium gas at 0oC and 1.00atmpressure. What common pressure will exist in the two containers
if two masses m1 and m2 are confined to a circle and identical springs with spring constant k connect the masses find
A hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway, What is the acceleration of the bus
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