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Object at rest, height in 180 feet Consider the following free fall classical motion and answer these questions based on the information. Find the height in meter? Find motions a(t), v(t), & y(t)? Find travel time and aped at point B? Find travel time and speed at point A? Find distance between points A & B using speeds VA and VB? How high the object should be positioned in order for its speed at point B to become twice.? Why tA not equal tB/2? What is the classification of this motion and why?
If you hold a 900cm2 square plane mirror 43cm from your eyes and can just see the full length of an 7.7m flagpole behind you, how far are you from the pole
A balloon with a radius of 14.00cm and an electric charge of 3.75 × 10-9 C is brought within the electric field of the larger balloon so their centres are 40cm apart. Establish the magnitude of the electric force exerted by this electric field on ..
Is the center of the mass of the pendulum-ball system at the center of the ball? If not, where and how is the center of mass located
A 92-kg man's thighbone has a relaxed length of 0.52 m, a cross-sectional area of 6.9 10-4 m2, and a Young's modulus of 1.0 1010 N/m2. By how much does the thighbone compress
A 60-kg runner expends 295 W of power while running a marathon. determine the mass of bodily fluid (assume it is water) lost per hour
The coefficient of static friction between the 3000 lb car's tires and the road is 0.5. Determine the steepest grade the car can drive up at constant speed if car has (a) rear=wheel drive; (b) front-wheel drive; (c) four wheel drive.
A standing wave on a 1.70 m long horizontal string displays three loops when the string vibrates at 125 Hz. What is the function describing the standing wave
The movement of the water because of the tides will give kinetic energy to the turbine blades, causing them to spin. In the calculations that follow ignore any frictional drag because of the seawater.
A ball is thrown from the top of a building upward at an angle of 46 degrees to the horizontal and with an initial speed of 30m/s. the speed of the ball just before it strikes the ground
Two identical uniform poles of mass 50 kg and linear mass density 15 kg/m are supported by pivots 2 m apart on level ground. what angle do the poles make with the vertical
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.020 N downward electric force. What is the charge on the ball bearing
questionan object is located near a mirror. if it is a spherical mirror next the focal length has a magnitude of f.
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