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The oil drop whose mass is determined to be 3.3x10^-15 is held at rest among the two large plates separated by 1cm if the potential difference between them is 340 V. Determine how many excess electr
Determine the velocity of a beam of electrons which go un deflected if passing through crossed electric and magnetic fields of magnitude of 8.85x10^3 V/m and 4.5x10^-3 correspondingly? Determine the
Explain how is 1-Bromobenzene produced by the reaction of 1% benzene and Br2 inCCl4 under the influence of sunlight as catalyst?
The field rises from 0 to 0.75 T at a constant rate in a time interval of 225 s. Determine the magnitude and direction of the induced current in the coil when the coil consists of 1 ohm resistance a
Determine the number of sub shells are found in the n1=8 level? Determine the number of orbital have the value n3=5 and l3=4?
The Protons move in a circle of radius 5.2cm in a .465T magnetic field. Determine the value of electric field which could make their paths straight? And in what direction should it point?
Strength S of the wooden beam of width x and depth y is provided by formula S=13.8xy^2. Beam is to be cut from the log of diameter 10 in. State strength S of this beam as the function of x only.
The electric potential at a position situated at a distance of 18.0 mm from a positive point charge of 7.20 x 10-9C and 11.5 mm from the second point charge is 1.22kV. Compute the value of the seco
An electron is moved from point A to the point B in a uniform electric field and get 4.2610^-15 J of electrostatic potential energy. Compute the magnitude of the electrostatic potential difference a
Determine the numbers of significant figures are justified in the mean and how would you report the most probable mass of the object? Explain.
The positive charge of 4.00 uC is fixed in place. From a distance of 3.40 cm a particle of mass 6.30 g and charge +3.40 uC is fired by the initial speed of 80.0 m/s directly toward the fixed charge.
Strength S of the wooden beam of width x and depth y is provided by formula S=13.8xy^2. The beam is to be cut from the log of diameter 10 in. Determine domain of the function S?
The alpha particle having mass of 6.50 x10-27 kg and charge of 3.20 x 10-19 C is free from rest close to the positive plate. Determine the kinetic energy of the alpha particle if it reaches the other
Aqueous silver ions react with the bromide or iodide ions and aqueous chloride, to give solid silver halide. For example, mixing solutions of calcium chloride and silver nitrate causes the precipita
Car A strikes car B (primarily at rest and of equivalent mass) from behind while going 40 m/s. Instantly after the collision, car B moves forward at 25 m/s and car A is at rest. Determine what fract
When the collision is elastic, and friction can be ignored, find out the speed of the block having mass 7.65 kg after the collision.
The football is kicked vertically. Approximate height of football, h (meters), after t (seconds) is modelled by formula. Compute height of the football after 2s.
A crate of 20.0 kg slid down a 3.00 m long ramp inclined at 30.0° to the horizontal. i) Compute the speed of crate at the bottom of the ramp when the ramp is frictionless.
Determine the percentage volume change when the FCC γ iron(a=0.365 nm) undergoes its polymorphic transformation to BCC δ iron (a =0.293 nm) at the 1394oC.
The spring’s spring constant is 26.1 N/m. A student added a mass of 1.50 kg to the end of the spring. He pulled the mass down and frees it when the end of the spring was 0.950 m beneath its r
The child in a boat throws a 4.50 kg package out horizontally having a speed of 10.0 m/s. Compute the velocity of the boat instantly after, supposing it was initially at rest. The mass of the child
Determine the concentration of a NaOH solution if 15.0 mL of the solution are required to neutralize 18.0 mL of a 0.312MHCl solution.
The electric field in a given area of space is given by E=2.5x2i (in N/C). Determine the magnitude of the potential difference among two points x = 0 m and x = 5.2 m, that is, |V (x = 5.2 m) - V(x =
Find out the liquid if a liquid that has a density of 0.80+ 0.01g/ml and 0.80-0.01 g/ml is insoluble in cyclohexane. Determine the colors of CoCL2, and CoCL2.6H2O? Find out their solubility in cold wa
The catapult launches a rock at 30degrees with respect to the horizon. Determine max height when speed of rock at utmost point is 30m/s?