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In outer space, a baseball of mass m = 0.140 kg travels at velocity vi = (2.00 m/sec, 5.00 m/sec, 0); let the z-axis be up out of the plane of paper. The baseball impacts a stick of length 1.00 m with uniform density and mass M = 1.25 kg that is initially parallel to the y-axis. The point of impact is 0.200 m from the upper end; elapsed time of impact ?t = 0.025 sec. The recoil velocity of the baseball is vf = (-2.00 m/sec, 5.00 m/sec, 0). Compute the following quantities:
(a) the average interaction force on the stick;
(b) the acceleration of the center of mass of the stick just after impact;
(c) the average torque on the stick;
(d) the angular acceleration on the stick about the center of mass just after impact. Hint: can you compute the moment of inertia of this stick?
A rope applies a horizontal force of 193 N to pull a crate a distance of 1.89 m across the floor. What is the work done by the frictional force
If a bungee cord is stretched horizontally to a length of 2.2m , the tension in the cord is 2.3n. What is the tension in the 3.8-m-long cord
Two thin lenses with a focal length of magnitude 15.0cm , the first diverging and the second converging, are located 11.3cm apart. How far from this first lens is the final image formed
On a typical mission, the Space Shuttle (m = 2.00 106 kg) orbits at an altitude of 250 km above the Earth's surface. Find the speed of the shuttle in its orbit.
a stel cable is used to keep a 2 m long 10 kg bar horizontal. one end of the bar is mounted to a wall. what tensional force now acts on the bar through the cable
a double slit is illuminated with 656.3 nm light the screen is located 80 cm from the slits, which are separated by 0.180mm. calculate the fraction of the maximum intensity 0.6 cm from the central maximum.
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. Find the acceleration of the box
Your car's wheels are 69 cm in diameter and the wheels are spinning at an angular velocity of 105 rad/s. How fast is your car moving in kilometers per hour
The side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is the image
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. how much force is applied to the branch
Cube of ice is taken from the freezer at -8.5°C and placed in a 75-gram aluminum calorimeter filled with 300.0 grams of water at room temperature of 20.0°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cub..
An electromagnet produces a magnetic field of 0.550 T in a cylindrical region of radius 2.40 cm between its poles. What magnitude of force is exerted on the wire
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