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We did a simulation in class for equilibrium. There were two sides, A and B and the teacher gave side A tons of little pom poms. Side A started throwing them at side B and side B was trying to throw
What is the impulse delivered by the bat? If the ball and the bat were in contact for 0.80 ms, what was the average force the bat exerted on the ball? Draw a diagram. Show all work
(a) What are the magnitude and direction of the net gravitational force due to these objects on a third uniform sphere with mass 0.500 kg placed at the point x = 4.00m, y=0?
Compare the thermal conductivity of single crystal materials with that of polycrystalline materials and justify your comparison.
You use a diffraction grating to obtain the spectrum of a gas. The gas has a green line at 540 nm and a second green line at 541 nm. If the grating has 600 lines/mm, what is the difference in angle
Calculate the nuclear binding energy in Joules/nucleon of uranium 235. The actual mass of one atom is 235.0439 amu.
The driver of a compact car of mass 725kg suddenly applies the brakes hard for 2.0s. As a result, an average force of 5000N is exerted on the car to slow it. What is the change in momentum on the ca
A chemical reaction in a bomb calorimeter raises the temperature of the calorimeter from 20.22 degrees celsius to 23.14 degrees celsius. If the heat capacity of the calorimeter is 8.44 kj/degrees ce
The peter-principled Dean of Deans (Maximus incompetus) is dropped from the tower with zero initial speed and plummets toward the Earth. Neglect all histrionics and atmospheric effects. Determine th
From atomistic point of view, thermal conductivity of materialsis typically contributed from phonons and electrons. What determine the thermal conductivity of metals, ceramics and polymers?
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 25.0° and the angle of refraction is 14.0°, find the critical angle for the liquid when surround
A building stands on the shore, and the laser beam hits a target at the top of the building. The goal is to find the height of the target above sea level. (a) Draw a diagram of the situation, ident
Air from a manufacturing operation was drawn through a solution containing1.00 x 102 mL of 0.0105 M HCl. The NH3reacts with the HCl to form NH4Cl.
Calculate the volume of chlorine gas @ 20 degrees C and 75.0cmHg if the volume of the gas is 1.01 L at 20 degrees C and 95.5cmHg.
Hydrogen sulfide gas is bubbled into sodium hydroxide solution. Determine the grams of sodium sulfide formed if2.00g of hydrogen sulfide is bubbled into a solution containing2.00g of sodium hydroxid
A flashlight on the bottom of a 4.20 m deep swimming pool sends a ray upward and at an angle so that the ray strikes the surface of the water 1.80 m from the point directly above the flashlight. Wha
If the product is SO42- and the reactant isSO32-, calculate the change in the oxidation state of sulfur (oxidation state of sulfur in product minus theoxidation state of sulfur in the reactant
A trapdoor (mass M, length L), that is propped open at an angle θ, falls down, and stops only when it hits a pumpkin with its lower edge. (a) What is the angular speed ω of the trapdoor
Federal regulations set an upper limit of 50 ppm of NH3 in the air in a work environment ( that is, 50molecules of ammonia for every million molecules in the air). Airfrom a manufacturing operation
a) Find the maximum current in the circuit. Answer in units of A (b) Find the maximum voltage across the inductor. Answer in units of V
Suppose you found ks = 0.5 N/m and m = 0.02 kg, and you observed an oscillation with an amplitude of 0.2 m. What is the approximate value of N, the "quantum number" for this oscillator?
A square wire loop with sides of length a = 1.40 m is bent 90 degrees at a distance b = 0.500 m from one end. A current of 0.100 A runs through the loop. What is the magnitude of the magnetic moment
Methyl esters (RCO2CH3) undergoes a clevage reaction to yeildcarboxylate ions plus iosomethane on heating with Lil indimethyl formamide.
A current of 0.2 A to the right flows through a wire. One meter of wire is placed in a magnetic field that is directed into the page with a magnetic field strength of 100 T. What is the magnetic for
A 87.0g hollow copper cylinder is 80.0cm long and has an inner diameter of 1.0cm. The current density along the length of the cylinder is 1.70 x 105 A/m2. What is the current in the cylinder?