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Determine the stopping distances for an automobile with aninitial speed 90 km/h and human reaction tim of 1.0s for anaccerleration a=-4.0 and a=8.0.
An oscillator with a mass of 500 g and a period of 0.50s has an amplitude that decreases by 1.0% each complete oscillation. If the initial amplitude is 20 cm, what will be the amplitude after 21 oscillations?
A disk with a rotational inertia of 6.44 kg·m2 rotates like a merry-go-round while undergoing a torque given by ? = (9.36 + 6.44t) N · m. What is its angular momentum at t = 3.00 s
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.5 m/s. It then flies a further distance of 46.9 km and its velocity is 43.1 m/s. Find the airplane's acceleration and calculate how much t..
An atom is cooled to zero K, and confined in a harmonic potential V (x) = 1 m?2x2. At 2t=0, the potential is switched off, such that V (x) = 0
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth
A 77.0 kg man floats in fresh water with 3.00% of his volume above water when his lungs are empty, Calculate the volume of air he inhales--called his lung capacity--in liters
A bottle has a mass of 35.00 g when empty and 98.40 g when filled with water. What is the specific gravity of this other fluid
Describe, in detail, an experiment in which you could determine the power for a period of several hours. You must be able to tell how to measure the force and the distance to calculate work
An object made of a single atomic element weighs 2.0000 N in air and 1.8965 N when completely submerged in water. What is the chemical symbol of the atomic element
An isolated capacitor of unknown capacitance has been charged to a potential difference of 119 V. Calculate the unknown capacitance
A microscope has an objective lens of focal length 6.75 mm. The objective forms an image 16.4 cm from the lens. How far from the objective should the object be placed
A horse draws a sled horizontally on snow at constant speed. The horse can produce a power of 1.095 hp. What is the speed with which the sled moves across the snow
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