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Two cars drive on a straight highway. At time t=0, car 1 passes mile marker 0 traveling due east with a speed of 16.0 m/s . At the same time, car 2 is 1.1 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding up with an acceleration of magnitude 0.30 m/s2 , and car 2 is slowing down with an acceleration of magnitude 0.70 m/s2 .
At what time do the cars pass next to one another?
A nut is held in the jaws of a pair of pliers. The nut is 25 mm from the pivot of the pliers and a force of 10 N is applied to each handle 150 mm from the pivot
A rectangle has an area of 36.38 cm2. When both the length and width of the rectangle are increased by 1.60 cm, Calculate the length of the shorter of the two sides of the initial rectangle
Light of wavelength 653.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 83.5 cm from the slit. obtain the width of the slit
a particle moves so that its position in meters as a function of time in seconds is r i 2t2j 4t k . use the following
The space shuttle needs to slow down in order to return from its orbit. It does so by reversing direction and firing its 3 main engines for a short amount of time. The mass of the space shuttle is 2.0 x 106 kg and has an orbital speed of 8000 m/s. Th..
A model airplane of mass 0.770 kilogram flies in a horizontal circle at the end of a 66.0 meter control wire, with a speed of 35.0 m/s. Find what is the tension in the wire
A private airplane left the airport at 1pm with speed 150 mph and its direction was 30 degrees east of north. At 3pm, the airplane reached point A and then changed its speed to 100 mph heading west. At 7pm, it reached point B.
What is the resulting angular speed of the platform and what is the ratio of the new kinetic energy of the system to the original kinetic energy?2
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. What is the cutoff frequency for this surface
A network of capacitors is mostly inside a sealed box, buit one capacitor Cx is sticking out, as shown in the figure. When you connect a multimeter across points a and b, it reads 27.0 uF. What is Cx?
Estimate the magnitude of the electric field strength due to a proton in a hydrogen atom at a distance of 5.29E-11 m, the expected position of the electron in the atom
A skater is initially spinning at a rate of 12.5 rad/s with a rotational inertia of 2.87 kg · m2 when her arms areextended. What is her angular velocity after she pulls her arms inand reduces her rotational inertia to 1.64kg · m2?
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