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A 24kg golden retriever spots a squirrel and gives chase. How much time does it take the dog to go from rest to 10.8 m/s
One generator uses a magnetic field of 0.190 T and has a coil area per turn of 0.0425 m2. What magnetic field should be used in the second generator
Obtain grand mean and unadjusted means for the ANCOVA model where covariate, "xc", Treatment, "a", response, "y" are considered and calculate adjusted means given the estimates
You wind a small paper tube uniformly with 173 turns of thin wire to form a solenoid. What is the inductance, in microhenries, of your solenoid
A 125-turn circular coil of radius 2.75 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Find the magnitude of the average EMF
While preparing oxalate buffer technician by mistake added 0.1 M of CaC2O4 (pKsp=7.9) to 0.2 M solution of oxalic acid (pKa's 1.25; 4.26). What is the pH of this solution? Is it a buffer
An archer pulls her bowstring back 0.430 m by exerting a force that increases uniformly from zero to 232 N. What is the equivalent spring constant of the bow
We titrated a 0.1033 M NaOH solution into an unknown concentration of a weak acid (25.00 mL). It also says the unknown acid will have a concentration of about 0.1 M.
The electric motor of a model train accelerates the train from rest to 0.540 m/s in 31.0 ms. Find the average power delivered to the train during its acceleration
How much heat is required to warm 1.3kg of sand from 30 degree Celsius to 100 degree Celsius? (According to my notes- specific heat capacity of sand is .84 J/(g x Celsius)
A child and sled with a combined mass of 42.0 kg slide down a frictionless slope. what is the height of the hill
A large cruise ship of mass 6.80 107 kg has a speed of 12.8 m/s at some instant. what is the ship's kinetic energy at this time
When the capacitor is charged to 135V , what is the charge per unit length lambda on the capacitor
If 1700 cal of heat is added to a system while the system does work equivalent to 3000 cal by expanding against the surrounding atmosphere, the value of E for the process is
A parallel-plate air capacitor with a capacitance of 233 has a charge of magnitude 0.159muC on each plate. What is the surface-charge density on each plate
Calculate the wavelength (m) associated with an electron that travels at 65% of the speed of light.
In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. What is the frequency of the generator
You are driving down a straight road at speed of 90 km/h and see another car approaching you at speed of 110 km/h along the road, how fast is the other car approaching you
A sample of nitrous oxide gas, N2O in a nonrigid container at a temperature of 33C occupies a certain volume at a certain pressure. What will be its temperature in degree Celsuis in each of the foll
Draw a Kekule diagram for benzene - why is this representation of benzene not considered to be as good as drawing a hexagon with a circle in the centre? What does the circle represent?
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.30 kg wrench from 3.50 m above the ground, What is the mass of the planet
For any gas, the voulme the gas occupies is directly proportional to the number of moles of gas at a given temperature and pressure. Air is 21.0% (by volume) O2 How many moles of oxygen are present
Two balls , one of gold with a mass of 100 kg and one of wood with a mass if 1 kg, are suspended 1 meter apart. find attractive force the wooden ball acting on the gold ball
Suppose that 10.9 kJ of heat energy is removed from a granite sample at 25°C. If it has a mass of 625 g, what is its new temperature
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. what is the intensity of the light wave