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A man seeking to set a world record wants to tow a 108000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 75 kg, and the coefficient of static friction between his shoes and the runway is 0.71. What is the greatest acceleration the man can give the airplane? Assume that the airplane is on wheels that turn without any frictional resistance.
In a double-slit experiment, what is the linear distance on the screen between adjacent maxima if the wavelength is 538 nm
Two steel wires(of the same length and different radii) are connected together, end to end, and tired to a wall. How far does the midpoint move
A lense with a circular aperture of 1cm in diameter is just barely capable of serperating two objects, What's the wavelength of the light from the two objects
car is driving directly north on the freeway at a speed of 112 km/h, What is the velocity of the truck relative to the car
A copper rod has a length of 1.0 m and a cross-sectional area of 4.1 x10-4 m2. What is the mass of ice per second that melts
Approximately how much larger would the radius of a star with the same surface temperature of the Sun (5800 K) have to be before it could be classed as a) a giant super star b) a supergiant star
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 12.1 cm. what is the new image distance
q1. a spaceship of mass 2.50806 kg is to be accelerated to a speed of 0.820c.a what minimum amount of energy does this
Electrons are accelerated by a potential and directed upon a thin salt crystal that has inter-atomic spacing of 0.282 cm. What was the acceleration potential
On a cool morning, when the temperature is 14 degrees C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, temperature of your tires is 52 degrees C.
The human eye is sensitive to orange light having a frequency of about 4.95 1014 Hz, What is the energy in joules of the photons associated with this light
A physics professor demonstrates the Doppler effect by tying a 610 Hz sound generator to a 0.9 m long rope, What are the highest and lowest frequencies heard by a student
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