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In a double-slit interference experiment, the wavelength is 589 nm, the slit separation is 0.1 mm, and the screen is 30 cm away from the slits. What is the linear distance between adjacent maxima o
Calculate the force of gravity between a newborn baby (mass=3kg) and the planet Mars (mass = 6.4 x 10^23kg) when Marsis at its closest to Earth (distance = 5.6 x 10^10m)
A sailboat runs before the wind with a constant speed of 3.8 in a direction 43 north of west. How far west has the sailboat traveled in 29 ? How far north has the sailboat traveled in 29 ?
A 320-g air track cart traveling at 1.25 m/s collides elastically with a stationary 270-g cart. What is the speed of the center of mass of the two carts?
In treatment with 6 M HNO3, X dissolves; there is no effect on W, Y, or Z. On the basis of these test results, identify the solids and explain your answers.
A 35.00 mL sample of HNO3 solution is neutralized by exactly 42.63 mL of 0.4153 M KOH. What is the molarity of the HNO3 solution?
Compute the potential energy stored in the bow, if the arrow of mass 4.80 10-2 kg leaves the bow with a speed of 32.0 m/s. Assume that mechanical energy is conserved.
A projectile is launched with an initial velocity of 253 m/s, at an angle of 45° above the horizontal. At a certain point, A, in its motion, its velocity angle is 19° above the horizontal. A
Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol. what is the partial molar volume of the ethanol?
A sample of oxygen occupies 47.2 liters under a pressure of 1240 mm Hg at 25oC. What volume would it occupy at 25oC if the pressure were decreased to 730 mm Hg?
If 750.0 mL of 0.806 M NaClO is mixed with excess ammonia, how many moles of hydrazine can be formed?
The final equilibrium temperature of the resulting solution is 18.1°C. What is the enthalpy of solution, ΔHs of KBr expressed in kilojoules per mole?
A 5.20 102 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process.
The amino acid methionine, which is essential in human diets, has the molecular formula C5H11NO2S. Determine the number of grams of H in 0.689 grams of methionine.
When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2. What is the empirical formula of the unknown compound?
Choose coordinate systems for the two masses with the positive direction up for mA and down for mB. What is the acceleration of the smaller mass.
Solution of water (Kf = 1.86^ C/m) and glucose freezes at - 2.55^ C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ^ C.
A speed skater moving across frictionless ice at 8.9 m/s^2 hits a 5.5 m wide patch of rough ice. She slows steadily, then continues on at 5.9 m/s^2 What is her acceleration on the rough ice?
Sam, whose mass is 60.0 , takes off down a 53.0 high, 12.0 slope on his jet-powered skis. The skis have a thrust of 200 . Sam's speed at the bottom is 38.0. what is the coefficient of kinetic frict
Complete combustion of 10.31 g of a particular hydrocarbon yielded 33.14 g CO 2 and 11.30 g of H 2 O. What is the empirical formula of this hydrocarbon?
A shopper pushes a cart 27 m south down one aisle and then turns 90.0° west and moves 17 m. He then makes another 90.0° turn and moves 13 m. What is the largest displacement?
95 kg of oxygen is consumed, and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
A 4.2029-g sample of a hydrate of Cu(NO3)2 was heated to drive off all of the water of hydration. The remaining solid weighed 2.6663 g. If Cu(NO3)2.x H2O represents the formula of the hydrate, then
A uniform electric field with a magnitude of 125,000 N/C passes through a rectangle with sides of 2.50 m and 5.00 m. The angle between the electric field vector and the vector normal to the rectangu
A spring (70 N/m) has an equilibrium length of 1.00m. The spring is compressed to a length of 0.50} and a mass of 1.8 k is placed at its free end on a frictionless slope which makes an angle of 41 d