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Planet Z is 11000 kilometer in diameter. The free-fall acceleration on Planet Z is 8.1 m/s2.
Determine what is the mass of Planet z?
in kg
Determine the free-fall acceleration 10000 km above Planet Z North Pole?
in m/s2
A grating gives no third-order spectrum for any part of the visible spectrum (700 nm – 400 nm). What is the least number of lines per centimetre for this grating?
youve just won the 5 million cash lottery and you go to pick up the prize.a what is the approximate weight of the cash
A steel cable with a total length of 25.6 m and total mass of 95 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
radium ra decays to radon rn which decays to polonium. if at t 0 a sample is pure radium how much polonium does it
q1. an electric field of 8.55x105 vm is desired between two parallel plates each of area 35.00 cm2 and separated by
a traveling wave on a string is given byyxt 2.0cmsin2p 8.33m-1x 440 s-1t .afind its wavelength frequency speed and
A ray of light traveling through air encounters a 1.7cm -thick sheet of glass at a 42? angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass
Lead shielding. When gamma rays are incident on matter, Determine the "half-thickness" for lead, that is, the thickness of lead that would absorb half the incident gamma rays
A heat engine, in each cycle, takes in 750 J of heat and exhausts 300 J of heat. what is the smallest possible high temperature for the engine cycle
Compute the absolute pressure at the bottom of a freshwater lake at a depth of 22.2 m. suppose the density of the water is 1.00 multiplied by 103 kg/m3 and the air above is at a pressure of 101.3 kPa.
On average, an electric water heater operates for 1.2 h each day. It has a power requirement of 4500 W, What is the resistance of a typical water heater
To measure the static friction coefficient between a 4.78-kg block and a vertical wall, the setup shown in the drawing is used. what is the coefficient of static friction
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