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On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 , length 89.6 and diameter 3.00 from a storage room to a machinist. Calculate the weight of the rod, . The acceleration due to gravity, = 9.81.
A woman with a mass of 70 kg climbs a set of stairs that are h = 3 m high. How much gravitational potential energy does she gain
question1all through a balloon ascension wearing an oxygen mask you calculate the weight of a calibrated 5.50-kg mass
A hydrogen atom makes a transition from the n = 2 level to the ground state (corresponding to n = 1). Find the wavelength and the frequency of the emitted radiation
A-3.18. A B-2A is flying at 43,000 ft in standard day conditions at 400 KTAS. The mean chord length is 39.6 ft. Find the overall or total Reynolds number for the aircraft
The fundamental vibrational frequency of HCl molecule is v=2990.946cm^-1 and its equilibrium dissociation energy is De=445.0 kJ/mol. Evaluate the frequency for v=0-->5 pure vibrational transition in HCl in Hz assuming it as a Morse oscillator.
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. find the density if the object and the oil
Suppose you aim to suspend in air a perfectly reflecting 4cmx4cm surface, with mass m = 0.00045kg. What intensity of light must you shine on it
An airplane, flying horizontally at an altitude of 1.83 km at a speed of 346 m/s, releases a package. find the speed of the package just before it reaches the ground
At t = 0 the current to a dc electric motor is reversed, resulting in an angular displacement of the motor shaft given by ?(t) = (240 rad/s)t ? (21.0 rad/s2)t2 ? (1.60 rad/s3)t3. At what time is the angular velocity of the motor shaft zero
How should you quote the following measured value and associated error in the form xbest ± Δx?
A positively charged particle of mass 6.80 10-8 kg is traveling due east with a speed of 25 m/s and enters a 0.32-T uniform magnetic field. What is the magnitude of the magnetic force acting on the particle
An aircraft weighing 892 N is accelerated at 9.9 m/s/s for 5 seconds, What is the force required to launch the aircraft
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