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A 1484-kg car is moving westward with a speed of 20.7 m/s, and a 2888-kg truck is traveling east with a speed of 15.9 m/s. Find the velocity of the center of mass of the car-truck system. Assume that the "positive" direction is to the east.
A sphere of radius a has a radial polarization given by P = \(\alpha r^{n} \) ^r (r_hat) , where \(\alpha\) and n are constants and n is greater than or equal to 0. Find the bound volume and surface charge densities. Find E inside and outside th..
An MSU linebacker of mass 118.0 kg sacks a UM quarterback of mass 87.0 kg. Just after they collide, they are momentarily stuck together, how fast was the linebacker moving just before the collision
An optometrist prescribes contact lenses that have a focal length of 56.0 cm. Where is the unaided near point of the person located
An airplane flies 422 km in a straight line at an angle of 73.0 degrees south of east. Find the resultant displacement of the airplane for the entire trip
A point charge Q = +1.69 µC moving in a uniform magnetic field of B = 1.22 T has a velocity of v = 5.93×105 m/s that is perpendicular to the magnetic field. what is the direction of the resulting force
A hydraulic system uses a large piston with a 1-m radius and a small piston with a 0.10-m radius. If the smaller piston is displaced two meters then how far is the larger one displaced
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture? °C, What is the final temperature of the water after the ice has melted
A bat at rest sends out ultrasonic sound waves at 50,000 Hz and receives them returned from an object moving directly away from it at 33.0 m/s. What is the received sound frequency
How various lines per centimeter does a grating have if the third-order occurs at a 23.0 degree angle for 630-nm light.
Determine the coefficient of kinetic friction between the block & the table.
1.what morphologic characteristics of Hyacotherium suggest that it lived in thick, closed canopy forest 2. How did the increase in grasslands beginning in the miocene influence the morphology of horse teeth and jaw
a cylindrical wheel is rotating with a constant angular acceleration of 4.0 rad/s^2. At the instant it reaches an angular speed of 2.0 rad/s, What is the radius of the wheel
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