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From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As thedrawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. Using the data in the drawing, determine the distances (a)D and (b) H, which locate the point where the gun was fired. Assume that the bullet does not slowdown as it passes through the window. I have no idea how to solve this problem.
The star Sirius is a distance of 8 light years from the earth. If Sirius suddenly stopped shining, how much longer would it be seen on earth
sinusoidal sound wave moves through a medium and is described by the displacement wave function s(x, t) = 1.84 cos(15x %u2212 885t), Determine the maximum speed of a element's oscillatory motion
a i use the huygens principle to explain how plane parallel wavefronts are diffracted at a single aperture.ii use the
light of wavelength 696 nm is incident on a single slit. the central bright fringe is 2.64 cm wide on a flat screen
Three resistors having resistances of R1=1.54ohms, R2=2.37ohms, and R3=4.78ohms respectively, Which resistor dissipates the most power and why
Three objects are connected on the table as shown in figure. The table is rough and has a coefficient of kinetic friction of 0.350. The objects have masses of 4.00 kg, and 2.00 kg, as shown, and the pulleys are frictionless.
A flatbed truck with a box sitting on the bed accelerates from rest on level ground. The truck's speed as a function of time is 15t - 2t2 during this acceleration. What force does that work on the box
q1. a car carrying a 77-kg test dummy crashed into a wall at 27ms and is brought to rest in 0.1 s. demonstrate that the
In order to get a flat uniform cylindrical satellite (mass of 1000 kg and a radius of 2 m) spinning at the correct rate, What is the required steady force of each rocket
Large meteorites are hardly slowed by Earth's atmosphere. how long does it take to reach the ground
Consider a bird that flies at an average speed of 10.7m/s and releases energy from its body fat reserves at an average rate of 3.70W, How far will the bird fly before feeding again
In the figure below, the converging lens' focal length is 13 cm, d = 18 cm, and the diverging lens' focal length is -12.6 cm, How tall is the image formed by the diverging lens
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