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Two cars drive on a straight highway. At time , car 1 passes mile marker 0 traveling due east with a speed of 17.0 . At the same time, car 2 is 1.0east of mile marker 0 traveling at 29.0 due west. Car 1 is speeding up with an acceleration of magnitude 0.40 , and car 2 is slowing down with an acceleration of magnitude 0.70. At what time do the cars pass next to one another?
The radius of the Earth's orbit is 1.50 multiply.gif 1011 m and that of Mercury is 5.81 multiply.gif 1010 m. What is the orbital period of this planet
A Mercedes-Benz 300SL (m = 1850 kg) is parked on a road that rises 20° above the horizontal, What is the static frictional force that the ground exerts on the tires
Jack and Jill exercise in a 25.0-m-long swimming pool. Jack swims nine lengths of the pool in 159.5 seconds, while Jill, the faster swimmer, covers ten lengths in the same time interval. Find the average velocity and average speed of each swimmer.
A 30-06 caliber hunting rifle fires a bullet of mass 0.0146 kg with the velocity of 314 m/s to the right. The rifle has a mass of 2.49 kg.
A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's potential energy
A car in a roller coaster moves along a track that consists of a sequence of ups and downs, Derive a general expression for the speed v of the car
If lithium ion Li+2 is treated as a classical system of one electron of charge ?e going around a nucleus of charge 3e on a circle of radius 1.77× 10?11 m
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
The displacement of a wave traveling in the positivex-direction is y(x,t)=(3.5cm)cos(2.7x?92t), wherex is in m and t is in s, What is the wavelength of this wave
Then, a thin conducting wire connects the spheres, redistributing the charge on each sphere. When the wire is removed the spheres still repel but with a force of F2 = 0.100 N. Using this information, find the initial charge on each sphere, q1 and ..
A box is pushed across the floor, slide with a constant velocity, and is opposed by a friction force of 25N. What is the magnitude of the force? Choose the correct answer. A.Less than 25N B.Zero C.Greater than 25N D.25n
A 54.0kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 3.90m
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