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A person desires to reach a point that is 5.40 km from her present location and in a direction that is 41° north of east. However, she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she could travel to reach her destination?
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
A 0.596 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
Consider an airplane flying at Mach 4 at 70,000 feet. A shock is formed due to supersonic flow. Find the total pressure at the nose using 3 approaches
Consider a parallel-plate capacitor constructed from two circular metal plates of radius R. The plates are separated by a distance of 1.7 mm. What radius must the plates have if the capacitance of this capacitor is to be 1.8 µF?
A sample of hydrogen atoms is irradiated with light of wavelength 50 nm, what is the kinetic energy (in electron volts) of these photoelectrons
In order to calculate th number of ways of arranging a given amount of energy in a tiny block of copper, How many atoms are in the copper block
The position of a 0.64-kg mass undergoing simple harmonic motion is given by x = (0.160 m) cos (pt/16). What is the maximum net force on the mass as it oscillates
You are trying to slide a refrigerator across a horizontal floor. The mass of the refrigerator is 188kg, and you require to exert a force of 347N to make it just begin to move. What is the coefficient of static friction between floor and refrigera..
a race car is approaching a jump ramp with the ramp angle at 10 degrees and 20 meters long and is 3.47 meters off the ground, what is the minimum velocity the car can go to make the jump
A golf ball (m=.05 kg) and a cannonball (M=100 kg) collide head on. Before the collision, the two balls had equal speeds of 30 m/s and opposite directions. After the collision, the speed of the golf ball is approximately
A 600-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits
Find the speed of light in flint glass (refraction index 1.67). Use 2.99792x10^8 m/s for the speed of light. Find the speed in light in zircon
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