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A meter stick of mass 150 g is pivoted at its center. A mass m1 of 75.0 g is suspended 13.0 cm from the left end of the meter stick. How much mass m2 must be suspended 69.0 cm from the left end of the meter stick to achieve rotational equilibrium?
A crane weights 10500kg and the wrecking ball is 800kg. the arm of a crane can extend to a lenght of 22m. Whats the max speed of the wrecking ball
Suppose a constant ratio of 13.60 counts per minute per gram of living matter. A sample of a petrified tree was found to give 1.8 counts per minute per gram. How old is the tree.
A television screen is illuminated using a beam of electrons traveling at 7.50×106 m/s in a 1.75×10?2 T magnetic field. find the direction of the acceleration of the electron
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. What impulse did the athlete receive from the platform
A 3-kg ball traveling to the right with a speed of 4 m/s collides with a 4-kg ball traveling to the left with a speed of 3 m/s. What is the total momentum of the two balls before and after the collision
There is an 18 metre high platform for bungy jumping. On jumping you go up and down a number of times before reaching a stable position from where you can be brought back to the ground. The first rebound is 6 metres high and this distance gets sma..
A 1.02 liter flask contains a certain quantity of ideal gas at 315 K. Then an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.60 times its original value. What is a final temperature.
Find how much time does it take an electron traveling at the drift velocity to transverse the 2 centimeter long tungsten filament that has a radius of 0.1 millimeter
An RLC circuit has a resistance of 2 komega, a capacitance of 32 uF, and an inductance of 52 H. obtain the phase shift between the current and the voltage
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
The rotational spectrum of the HCl molecule contains lines with wavelengths of 0.0604, 0.0690 ,0.0804 ,0.0964 , and 0.1204 mm. What is the moment of inertia of the molecule
a 4.6 kg block is at the top of a 2.50 m long incline that is at an angle of 37o above the horizontal. the incline is
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