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Problem: One day while driving your MA = 2000 kg car while going northeast (exactly 45o between north and east) you, very embarrassingly, smash into your instructor's MB = 1500 kg car which was going due west. The cars have a completely inelastic collision and just after the collision are going 12 m/s at 30o east of north. If the speed limit on this road is 30 mph = 13.4 m/s, was either of the cars speeding before the collision? For full points, your answer must include a correct numerical calculation.
a particle of mass 0.10 kg is attached to a spring of spring constant 10nm. if the maximum acceleration of the particle
Car Circles a Track. The 1,000 kg car is moving at the maximum speed it can without skidding off of the 50 m-radius, what is this maximum speed
A Slider-crank mechanism has acrank to connecting link ratio of ¼. determine the maximum rubbing velocity at the bearing when thecrank rotates at 3800 rev/min
Calculate the speed of a proton with a kinetic energy of 1.48 eV, Find the speed of an electron that has a kinetic energy of 1.48 eV. 1 eV = 1.602 × 10^?19 J
A microscope has an objective lens with a focal length of 15.0 mm. A small object is placed 0.60mm beyond the focal point of the objective lens. What is the magnification of the real image
A rocket is launched a t an angle of 53.0 degrees to the horizontal at 360 km/h and moves along a straight line with a total constant acceleration of 30.0 m/s^2 for 3.00 s. obtain the maximum height reached by the rocket
A 0.0422-m3 container is initially evacuated. Then, 7.24g of water is placed in the container, and, after some time, all of the water evaporates. If the temperature of the water vapor is 370K, what is its pressure?
How much time passes by they collide
A 3.0-cm-diameter parallel-plate capacitor has 2.4 mm spacing. The electric field strength inside the capacitor is 1.5×105V/m. What is the potential difference across the capacitor
Gamma rays (γ rays) are high-energy photons. In acertain nuclear reaction, a γ ray of energy .511 MeV (millionelectrovolts) is produced
Multiple-Concept Example 8 provides useful background for part b of this problem. What is the angular displacement (in rad) of each wheel
If a car experiences 4000 N of air resistance while traveling at 20 m/s, how much air resistance will it experience when traveling at 10 m/s
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