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A uniform thin rod of length 0.65 m and mass 4.5 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one end of the rod. As viewed from above, the direction of the bullet velocity makes an angle of 60° with the rod (see the figure). If the bullet lodges in the rod and the angular velocity of the rod is 10.0 rad/s immediately after the collision, what is the magnitude of the bullet's velocity just before impact?
Two uniform infinite sheets of electric charge densities 48.0 C/m2, Find the magnitude of the electric field everywhere
A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop
assume the roller coaster (h1 = 32 m, h2 = 11 m, h3 = 20) passes point A with a speed of 3.50 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B? The distance traveled is 30m.
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff
A 16-cm-diameter cylinder that is 39cm long contains 60g of oxygen gas at 20?C, What is the number density of the oxygen
On a dry day, just after washing your hair to remove natural oils and drying it thoroughly, run a plastic comb through it. Small bits of paper will be attracted to the comb. Explain why.
Boat sails at a rate of 5.0 m / s relative to the sea. He is aiming directly north, What will be the direction of the boat
Imagine a "free" electron and a "free" proton held midway between the plates of a charged equivalent plate capacitor. When released, how do their accelerations and directions travel compare.
A 186 watt motor is used to lift a 114kg container to a height of 6m. How much time does it take to lift the container with the motor.
A note played on a piano is 4719 Hz. If the speed of sound is 347 m/s, what is the wavelength of the note?
Light from an argon laser strikes a diffraction grating that has 5345 grooves per centimeter. Determine the wavelength of the laser light
The gravitational force between two masses M and m seperated by a distance r is 40 N. What is the new force when this distance is halved
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