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An object of 3.0 kg is moving to the right at 4.0m/s. It collides in a perfectly inelastic collision having a object of 6.0 kg moving to the left at 2.0 m/s. Find out the net kinetic energy after th
Determine the resistance of a resistor which must be joined in series with 5.0 μF capacitor to make a simple circuit with a time constant of 2 seconds?
Explain how much oxygen is needed for the complete combustion of 7.64 L of acetylene (C2H2)? Use STP (standardized temperature pressure). Write down the balanced reaction equation.
Discuss what will happen to the balloon (predict and calculate) when it's tied up outside on a hot day (90 degrees Fahrenheit) and the atmospheric pressure rises to 750 mm Hg when a 3.0-Liter latex
The two particles A and B of equivalent mass are positioned at some distance from each other. Particle A is at rest while particle B moves away from A at speed V. What occurs to the center of mass
Evaluate mass fraction of uranium in U3O8. Suppose average mass number of uranium is 238 and te average mass number of oxygen is 16.
The pod is launched in the direction of the earth having a speed of 0.61c relative to the rocket. After the launch, the speed of rocket relative to the earth is around 0.80c. Determine the length of
Four uniform spheres, having masses mA = 600 kg, mB = 550 kg, mC = 1800 kg, and mD = 400 kg, encompass (x, y) coordinates of (0, 50 cm), (0, 0), (-80 cm, 0), and (40 cm, 0), correspondingly. Find ou
An electron is free from rest at the point midway among the two charges, and it moves all along the line joining the two charges. Determine the speed of the electron if it is 10.0 from charge 1?
Approximately 1 atom of U-235 is present for each 140 atoms of uranium in the substance called pitchblende. If 84.8% of pitchblende is uranium (by mass), find how many grams of U-235 are in each 1 k
Determine the amount of heat required to raise the 10.0 grams of ice from the -50 degrees C to 0.0 degrees C when the specific heat of ice is 2.1 J/g-K.
What was the molarity of the sodium carbonate solution when a 447 cm3 volume of Na2CO3 solution was warmed with an excess of sulfuric acid until all the action ceased. A 5.0 L volume of dry CO2&n
Suppose a device of this sort is inserted in a stream of nitrogen, the current through the heating oil is adjusted until the wattmeter reads 1.25 kW, and the stream temperature goes from 30 Celsius
Whipple Company wishes to purchase the numerically controlled (NC) machine to be utilized in producing specially machined parts for manufacturers of tractors.
Suppose the skillet is cooled to room temperature, 21*C. An iron skillet weighing 1.78 kg is heated on a stove to 165*C. Explain how much heat energy (in joules) must be removed to effect this cool
A tennis ball which is having the 250 mL of air at the 1.25 atm. A tennis star soups it up by injecting 50 mL of air at 1.0 atm into the ball. Calculate the final pressure of the ball in at
If a 5.327 g sample weighed 4.281 g after dehydration, determine the percentage of CaCO3 in the original hydrated sample when a sample is composed of a mixture of CaCO3 and CuSO4*5H2O. A chemis
2Na + 2H2O ---> 2NaOH + H2 . If 7.2 g of Na undergoes reaction with water and the resulting hydrogen is burned in oxygen to form the water, determine the numbers of grams of water would be formed
You win game by pushing buttons so that all lights are off. Do one of given. Prove that if n=6, you can always win game regardless of state of the lights at the starting of game.
Determine the numbers of milliliters of 0.202M NaOH should be added to the 30.0mL of a 0.0233M Salicylic acid (2-hydroxybenzoic acid, MW= 138.12) to adjust the pH of that solution to a value of 3.5
Calculate the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Ionization energy is defined as the minimum energy required removing an electron from the
(i) Determine the amount of ice melted and the final temperature if the mass of steam is around 14 g and the mass of ice is around 53 g. (ii) Repeat with steam having mass 1.0 g and ice of mass 53 g
As a result, the H+ atom is ionized - it breaks into a proton moving with a speed of 1.15*10^3 m/s and an electron moving with a speed of 2.11*10^6 m/s in the opposite direction.
What is the empirical formula of the gas when a chemist found that 4.69g sulfur combined with the fluorine to form the 15.81g of a gas.
A He-filled balloon is tied to the 2 m long 0.05 kg uniform string. The balloon is spherical having radius 0.40 m. If released, the balloon lifts a length h of string and then remains in the equilib