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A target in a shooting range consists of a square wooden board of side length S = 0.500 meter and mass mT = 0.750 kg, that pivots on a horizontal axis along its top edge. The target is struck, normally, at its center by a bullet of mass mB = 1.90 g that is travelling initially at vi = 360 m/s. The bullet goes completely through the target, emerging at only vf = 100 m/s on the opposite side. What is the angular speed of the target just after the collision?
A roller coaster is towed up an incline at a steady speed of 0.51m/s by a chain parallel to the surface of the incline. The slope is 2.85 % that means that the elevation increases by 2.85 m for every 100m of horizontal distance.
The electric field everywhere on the surface of a charged sphere of radius 0.180 m has a magnitude of 500 N/C, What is the net charge on the sphere
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
Use graphical techniques to find out the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).
A 10.0-ohms resistor, a 10.0-mh inductor, and a 100 uF capacitor are connected in series to 50.0-V (rms) having variable frequency. find the energy delivered to the circuit during one period
The mast of a sailboat is supported at the bow and stern by stainless steel wires, the forestay and backstay, Find the tension in the backstay and the force that the mast exerts on the deck
A hockey puck moving at 33m/s slams through a wall of snow 38cm thick. It emerges moving at 19m/s. find the thickness of a snow wall
A 0.20 kg block on a vertical spring with a spring constant of 5 multiplied by 103 N/m is pushed downward, compressing the spring 0.090 m. When free, the block leaves the spring and travels upward vertically. How high does it rise above point of r..
A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of 5.20 rad/s^2. What is the angular speed of the wheel at the end of the 2.80-s interval
A person in a rocking chair completes 15 cycles in 17s, What are the period of the rocking
Magnetic resonance imaging (MRI) is a medical technique for producing "pictures" of the interior of the body, Determine the smallest time period during which the field can be allowed to vanish if the magnitude of the average induced emf is to be kep..
A 990-kg sports car collides into the rear end of a 2100-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, What was the speed sports car at impact
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