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A ball is dropped from a height of 4 m and makes an elastic collision with the ground. Assume that no mechanical energy is lost to air resistance. (a) Show that the ensuing motion is periodic. (b) Determine the period of the motion. (c) Is the motion simple harmonic? Explain.
If your conducting an experiment by heating a Styrofoam cup of water with an electric current of 2.8A, a voltage of 11V, How much time does it take to complete the experiment
Monochromatic light falls on a slit that is 3.50 multiplied by 10-3 mm wide. what is the frequency of the light used
Suppose now that the apparatus is sealed, and the temperature rises to 56.4o C. Find the pressure inside the apparatus now
In the figure to the left, the pulley (which is in the form of a disk) has a mass of 7.50 kg and a radius of 35 cm. What is the speed of the iron block
In a conversion from military to peacetime use, a missile with a maximum horizontal range of 160 km is being adapted for studying the upper atmosphere
A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in a direction 9° above the horizontal, and recoils with a speed of 0.22 m/s. Find the mass of the hockey player.
When a rectangular metal tank is filled to the top with an unknown liquid, observer O, with eyes level with the top of the tank, can just see corner E. what is the index of refraction of the liquid
A person goes hiking on the trails in a Park. The trail leads the hiker 6 km north, 4 km east, 2 km north, 2 km west and 5 km south. what is total distance traveled
"A plane, diving with constant speed at an angle of 54.0 degrees with the vertical, releases a projectile at an altitude of 770m. what is the speed of a aircraft
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.11kg, and the wedge has a mass of 5.39 kg. The ball is moving the speed of v = 4.45m/s when it strikes the wedge, which is initially at rest.
Two point charges q = 97.0 nC and q = -97.0 nC are in vacuum located on the x axis at - 17.0 cm, calculate the total electric flux through the y-z plane
A beetle and a spider are sitting on a hinged door. The beetle is in the middle of the door and the spider is near the handle, what is the angular speed and tangantial Speed of the spider
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