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Question: A baseball bat has a mass of 0.82 kg and is 0.86 m long. It's held vertically and then allowed to fall.
Part A: What is the bat's angular acceleration when it has reached 20° from the vertical? (Model the bat as a uniform cylinder).
I want help to find the bat's angular acceleration when it has reached 20° from the vertical.
A 120 kilogram crate is pulled across the floor with a constant force of 500 Newton that is applied at an angle of 25o above the horizontal. Calculate the speed of the crate after 20 m of travel
The nucleus 11-4 Be undergoes B- decay with a half-life of 13.8 sec. The atomic mass of 11-4 Be is 11.021660 u. What is the total kinetic energy of the decay products
An F-18 jet fighter flies directly overhead at a height of 18000mat 5/3 the speed of sound. Make a diagram that adequately illustrates thesituation and shows the parameters used to calculate the angle ofthe shock wave.
A skier of mass m= 70kg glides down a slope at angle theta= 32 degrees, as shown in the figure below. The snow is so slippery that you can neglect friction. Find the force the snow exerts on the skier
he car is suspended beneath the helicopter by a steel cable. Illustrate what is the lift force exerted on the air by the helicopter's rotor?
If the translation rms speed of the water vapor molecules in air is 703 m/s, what is the translational rms speed of the carbon dioxide molecules in the same air? Both gases are at the same temperature.
A gas is compressed at a constant pressure of 0.800 atm from 12.00 L to 3.00 L. In the process, 380 J of energy leaves the gas by heat. (a) What is the work done on the gas? J (b) What is the change in its internal energy?
A slender rod with a length of 0.300m rotates with an angular speed of 8.80rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 12.0 m/s, and the distance from the limb to the level of the saddle is 4.00 m.
A compound microscope has an objective lens with a 2.2 cm focal length and an eyepiece with a 5.4 cm focal length. what magnification does the microscope produce
A 2.5-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential energy of the spring/mass system is 2.6 J. Determine is the elastic potential energy of the system when the 2.5-kg block is ..
An extension cord is used with an electrc weed trimmer thathas a resistance of 15 ohms. Determine the resistance of the extension cord
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