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Calculate the acceleration of a 1400-kg car that stops from 39 km/h "on a dime" (on a distance of 1.7 cm). Determine the acceleration of the car. How many g's is the magnitude of the acceleration of the car?
A 110-kg tackler moving at 2.5 m/s meets head-on (and holds on to) an 82-kg halfback moving at 5.0 m/s. What will be their mutual speed immediately after the collision?
One cubic meter (1.0m^3) of aluminum has a mass of 2700kg, and a cubic meter of iron has a mass of 7860kg. Find the radius of a solid aluminum sphere that has the same mass as a solid iron sphere of radius 4.32cm. Answer in units of cm.
A 54.5-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.646 and 0.321, respectively. What horizontal pushing force is required to just start the crate moving
A heat engine is to be built to extract energy from the temperature gradient in the ocean. what is the maximum efficiency such an engine can have
A dentist uses a mirror to examine a tooth. The tooth is 1.04 cm in front of the mirror, and the image is formed 11.1 cm behind the mirror. Determine the mirror's radius of curvature
Two coupled boxcars are rolling along at 4.0m/swhen they collide with and couple to a third, stationary boxcar. What is the final speed of the three coupled boxcars
A person walks 25.0 north of east for 3.10 km. explain how far would another person walk due north and due east to arrive at the same location?
What is the maximum speed with which a 1200- car can round a turn of radius 71 on a flat road if coefficient of static friction between tires and road is 0.45.
a two-slit pattern is viewed on a screen 1.10 m from the slits. if the two third-order maxima are 42.9 cm apart what is
a pi meson of rest energy 139.6 mev moving at a speed of 0.906c collides with and sticks to a proton of rest energy
A dentist uses a mirror to examine a tooth that is 0.75 centimeter in front of the mirror. The image of the too this formed 11.0 centimeter behind the mirror. Determine what is the mirror radius of curvature
A block of ice at 0°C is added to a 150 g aluminum calorimeter cup which holds 210 g of water at 12°C. If all however 2.0 g of ice melt, what was the original mass of the block of ice?
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