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A golf club consists of a shaft connected to a club head. The golf club can be modeled as a uniform rod of length L and mass m1 extending radically from the surface of a sphere of radius R and mass m2. Find the location of the club's center of mass, measured from the center of the club head.
A two-slit pattern is viewed on a screen 1.12 m from the slits. If the two fourth-order maxima are 56.8 cm apart, What is the total width of the central bright fringe
The focal length of the eyepiece of a certain microscope is 18.5 mm . The focal length of the objective is 7.85 mm. What is the distance from the objective to the object being viewed
A gold prospector finds a solid rock that is composed solely of quartz and gold. Find the mass of the gold in the rock
Two cars start racing from rest. The track is 400 meters long and linear. Car A accelerates at 3.4m/s2 and Car B accelerates at 3.0m/s2. What is Car A's speed when it crosses the finish line
An exercise machine indicates that you have worked off 2.4 Calories in a minute-and-a-half of running in place. Find your power output during this time
A hot (70 C) lump of metal has a mass of 250 gm and a specific heat of .25 cal/gm-C. John drops the metal into a 500 gm calorimeter (specific heat of .10 cal/gm-C) containing 75 g of water at 20 C. Once they reach equilibrium, what will be the fin..
Calculate the linear momentum and angular momentum of a Frisbee of mass 0.126 kg if it has a linear speed of1.95 m/s and an angular velocity of 51.5 rad/s. Treat the Frisbee as a uniform disk of radius 13.5 cm.
q1. a student pulls a box of books on a smooth horizontal floor with a force of 100 n in a direction of 37 degrees
An astronaut has a mass of 50 kilogram. Her vehicle travels to 6400 kilometer above earth and she weighs 1/4 of what she weighed on earth (which is 122.5N). find the acceleration on her mass at that point in space
A 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the beam is horizontal.
An undiscovered planet, many light-years from Earth, has one moon which has a nearly circular periodic orbit. How long (in days) does it take the moon to make one revolution around the planet. The gravitational constant is 6.67 × 10-11 N·m2/kg2
A proposed model study of a low-speed aircraft is to be performed using a 1:10 scale model. If the prototype is to travel at 25 m=s, what speed should be selected for a wind tunnel model? Is such a test advisable?
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