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A force is applied to a 100-kg go-cart to accelerate it from 10.0 m/s to 20.0 m/s over a 7.00 s time frame. If the acceleration is assumed to be constant over the time frame, what is the magnitude of the force applied?
A relaxed crystalline lens has a refractive index n=1.42 and radii of curvature R1=+10.0mm, Calculate the focal length and optical power of the lens
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
What are the possible value for of n and m if a) l = 1, b) l = 4, and c) l = 0 ? Compute the minimum possible energy for each case. compute the normalization constant for the wave function
The plane of a 6.00 cm by 8.00 cm rectangular loop of wire is parallel to a 0.220 T magnetic field, What is the magnetic moment of the loop
Find the force on the electron in the hydrogen molecule ion for which the potential is represented by the follwoing. V= (-e^2/r1)+(-e^2/r2)
a 39 ohm resistor is connectes to a battery, a voltmeter reads 9.8 V. when the resistor is repaced with a 9.1 ohm resister. the voltmeter reading drops to 8.0 V.
A farm tractor tows a 4830 kg trailer up a 15.5° incline at a steady speed of 2.0 m/s. What force does the tractor exert on the trailer
Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.25 km long. What is the resistance of such a wire at 20°C
A 54-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s, determine her altitude as she crosses the bar
A hollow spherical shell with mass 2.00 kg rolls without slipping down a 38.0 degree slope, find the friction force on it
A stone of weight W has specific gravity 1.68. When the stone is suspended from a scale and submerged in water, what is the scale reading in terms of its weight in air
25g of copper pellets are removed from a 300 degrees C oven and immediately dropped into 90 mL of water at 25 degress C in an insulated cup. What will the new water temp be
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