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A 2 kg ball traveling at 10 m/s hits a 6 kg block sliding down an incline (uk = 0.4) at 1 m/s. If the coefficient of restitution is e = 0.6, what will be the velocities of the objects just after impact? Also, after impact how far up the incline will be block slide before coming to a momentary stop? Finally, if the impact occurs over 0.006 s, what is the average impulsive force between the two objects?
A house is built with a concrete slab and a big south facing window. At 100 m2 and 0.1m thick, the slab has a volume of 10 m3 and thus a mass of 24,000 kg. How much heat was added to the slab
A 2.3cm high object is located 30cm from a diverging lens, whose focal length is 14cm. What is the height of the image produced by the lens
A hot-air balloon is rising upward with a constant speed of 3.87m/s. When the balloon is 9.27 m above the ground, the balloonistaccidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
electrostatic equilibrium find positions of four charges in a plane 1 c -1 c 2 c -2 c that result in a stable
A hollow, spherical shell with mass 3 kilogram rolls without slipping down a 38.0° slope. Determine the minimum coefficient of friction needed to prevent slipping
When the temperature of a metal cylinder is raised from 0.0°C to 113°C, its length increases by 0.26%. Find the percent change in density
You hold a spherical salad bowl 90 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 35 cm radius of curvature. What is the image (your face's image) distance along the central axis fr..
The air inside a hot air balloon has an average temperature of 79.2 degrees celcius. The outside air temperature is 20.3 degrees Celsius. What is the ration of the density of air inside the balloon to the air in the surrounding atmosphere?
A simple pendulum consists of an object suspended by a string. The object is assumed to be a particle. calculate the speed of the particle at the lowest point in its trajectory
1. Two points P(1, π, 0) and Q(0, -π/2, 2) are given in the cylindrical coordinate system. Find the distance vector from P to Q. What is its length? What is the distance vector from Q to P? Express the distance vector from P to Q in terms of the..
Thirteen resistors connected across points A and B as shown in the figure. If all the resistors are accurate to 2 significant figures, what is the equivalent resistance between points A and B?
A singly charged positive ion has a mass of 2.34 x 10-26 kilogram. Obtain the radius of the path of the ion in the field
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