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Solve the following problem given below:
Problem: For a typical rubber-on-concrete friction, what is the shortest time in which a car could accelerate from 0 to 50 mph? Suppose that us=1.00 uk=0.80 and ur=0.002.
Show all work, use additional paper if necessary for above problem to find the shortest time in which a car could accelerate.
The attractive force between proton and an electron due to gravity is Gmpme/ r2 , where me =0.9x10-30 kg, mp = 1.67x10-27 kg, and G =6.67x10-11 m3 /kg.s2 . What is the lowest gravitational Bohrradius?
A horizontal spring-mass system has low friction, spring stiffness 200 N/m, and mass 0.4 kg. The system is released with an initial compression of the spring of 11 cm and an initial speed of the mass of 3 m/s.
One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated with such storms. Assume that the air pressure inside of a sealed house is when a hurricane hits.
A glass rod 96 cm long with an index of refraction of 1.6 has its ends ground to convex spherical surfaces of radii 8 cm and 16 cm. Find the image distance due to refraction at the first surface. (Include the sign.)
Determine the force exerted by Mars on the sun. What is the acceleratopm of Mars? What is the acceleration of the sun
a lump of putty and a rubber ball have equal mass. both are thrown with equal speed against a wall. the putty sticks to
a total of 8.77middot106 electrons are placed on an initially uncharged wire of length 1.87 m. what is the magnitude of
a 50.0 cm open-open tube 6.0 cm in diameter has a measured f1= 304 Hz. calculate the end correction constant from these data.
A 5kg steel ball strikes a wall with a speed of 8m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ..
A rope pulls a 100-kg skier up a frictionless slope inclined at300 to the horizontal. What is the work done by tension
What is the upper limit on how far chocolate milk (density = 1.04 g/cm3) can be sucked through a vertical straw
The bulk modulus for helium is 1.01x105 N/m2 and its density is 0.179 kg/m3. How many times the speed of sound in air (331m/s) is the speed of sound in helium?
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