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A very light rigid rod with a length of 0.500 m extends straight out from one end of a meter stick. The stick is suspended from a pivot at the far end of the rod and is set into oscillation. (a) Determine the period of oscillation. Suggestion: Use the parallel-axis theorem from Section 10.5. (b) By what percentage does the period differ from the period of a simple pendulum 1.00 m long?
a 500 g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle the tension in the string is 15 N. What is the speed of the ball at that point?
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if total amount of nitrogen is 1100 mol.
A box is dropped from a spacecraft moving horizontally at 27.0 m/s at a distance of 155 m above the surface of a moon. The rate of freefall acceleration on this airless moon is 2.79 m/s2.
At one instant a bicyclist is 40m due east of a park's flagpole, going due south with a speed of 10m/s. Then 30.0s later, the cyclist is 40m due north of the flagpole.
The wire is cut at point P. Will the potential difference between points A and B increase, decrease, or remain the same? Give reason for.
A 4.5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt at once after lunch. What is the velocity v of the smaller fish before lunch.
At time t=0 a grinding wheel has an angular velocity of 28.0 rad/sec. It has the constant angular acceleration of 35.0 rad/sec^2 until a circuit breaker trips at time t=1.80. From then on, the wheel turns through an angle of 433 as it coasts to the s..
What is the thinnest soap film (excluding the case of zero thickness) that appears black when viewed by reflected light with a wavelength of 480 {rm nm}? The index of refraction of the film is 1.33, and there is air on both sides of the film.
A 0.95 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.130 m.
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
Calculae the flow rate ( in grams per second) of blood in the aorta if the flow speed is 42 cm/s.
If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
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