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A ball is suspended by a string and moves in a horizontal circle. One such pendulum has a 100g ball at the end of a 1.5 meter long string and has an orbit of radius 30.0cm.
1) Choose axes and set up the force balance equations for each:
2) Determine the net force acting on the ball and the acceleration:
3) Determine the tension in the string:
Find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to four times the earth's radius of 6.38 multiply.gif 106 m.
Through 5 successive 1.04 min intervals, a runner moves at the following constant speeds: 0.405 km/min, 0.220 km/min, 0.160 km/min, 0.163 km/min, and 0.323 km/min. compute the total distance travelled and average speed.
An elevator releases 11200J of gravitational potential energy as descending 4m between floors. How much does elevator weigh.
What is the value of the composite constant (Gmer2e), to be multiplied by the mass of the object mo in the equation above
A spring of spring constant k = 340 Nm-1 is used to launch a 1.5-kg block along a horizontal surface by compressing the spring by a distance of 18 cm. how far does the block slide
Assume you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 m/s. The river has a current that runs at a speed of 1m/s.
Calculate the y-component of the magnetic force.
An asteroid, whose mass is 1.70×10-4 times the mass of Earth, Calculate the period of revolution of the asteroid in years
A train 450 m long is moving on a straight track with a speed of 82.1 km/h. determine how long the train blocked the crossing
A large parallel plate capacitor has plate separation of 0.85 cm and plate area of 391 cm2. How much work is done on the capacitor as the plate separation is increased to 1.70 cm
The Venturi tube shown in the figure below may be used as a fluid flowmeter. Find the speed of the gasoline as it leaves the hose
Planet A and planet B are in circular orbits around a distant star. Planet A is 7.6 times farther from the star than is planet B... What is the ration of their speeds
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