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A rock is tossed straight up with a speed of 29 m/s . When it returns, it falls into a hole 10 m deep.
A) What is the rock's velocity as it hits the bottom of the hole? Express your answer using two significant figures.
B) How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?
A certain particle has the life time of 10^-7 s, while measured at rest. How far does it go before decaying if its speed is 0.99 c when it is created.
The atomic mass of 5626Fe is 55.934939 u, How much kinetic energy will the products of the decay have
Given that hbar = 1.055*10^-34 J*s, find the wavelength in nm of light emitted from a hydrogen atom when its electron moves from the n=6 state to the n=2 state. What is the minimum uncertainty in the momentum of the electron
A loudspeaker on a homecoming float - mounted on a pole -- is stuck playing at an annoying 210 Hz tone, What is the intensity of the signal at this point, What is the power of the speaker
A major artery has a cross sectional area of 1.07 cm^2. What is the average speed of blood flowing through the smaller arteries
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
You drive on Interstate 10 from San Antonio to Houston, half the time at 60 km/h and the other half at 105 km/h. On the way back you travel half the distance at 60 km/h and the other half at 105 km/h.
A student suspends two identical conductive spheres (m = 0.30g) from two equally long nylon threads each 25 cm long, What is the charge on each sphere
What type of information would you tell the prospective employer?. Explain how would you share be to your advantage or disadvantage?
In a RLC circuit, the rms current is 7.00 A, the maximum voltage 230. V and the current lags behind the voltage by 53.0 degrees. Find the average power dissipated in the circuit
An electron beam in an oscilloscope is deflected by the electric field produced by oppositely charged metal plates. If the electric field between the plates is 2.75 105 N/C directed downward, what is the magnitude and direction of the force on eac..
The muon is an unstable particle, with a mean lifetime of 2.5x10^-10 seconds. What is the minimum uncertainty in this particle's energy
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