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A 18 g bullet is fired into the bob of a ballistic pendulum of mass 1.6 kg. When the bob is at its maximum height, the strings make an angle of60° with the vertical. The length of the pendulum is 2.3 m. discover the speed of the bullet.
questionafter being kidnapped and placed in the trunk of a car you find out you are able to pry open the trunk. luckily
One component of a magnetic field has a magnitude of 0.028 T and points along the +x axis, Find the magnitude of the net magnetic force that acts on the particle
A hockey puck is sliding across a frozen pond with an initial speedof 9.9 ms. It comes to rest after sliding a distance of28.5 m. What is the coefficient of kinetic friction between the puck and the ice?
an object moving to the right has a positive acceleration which is decreasing. is this object speeding up or slowing
Your cup of coffee is too hot to drink when served at 95.What is mass of an ice cube, taken from a -19.0 freezer, that will cool your coffee to a pleasant 62.
Suppose two highly precise, identical clocks are synchronized and one clock is placed on the North Pole and the other on the equator. how much will the clocks differ in time
A test is fired stright up from rest with a net acceleration of20m/s2. after 4 seconds the motor turns off, but the rocket continues to coast upward. what maximum elevation does the rocketreach?
A 2.05 cm tall object is placed 30.0 cm to the left of aconverging lens with a focal length f1 =18.9 cm. How tall is the final image of the object
At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, How much work is done by the crane on the container?
Geothermal heat is having another "revival". Explain how it works in a home and how much it would cost to add this to your home (determine your square footage or use an average 2000 square foot home), How many panels (size?) would you need
A 224Ra atom (Z=88, Atomic mass = 224.020186 amu) consists of protons (Mass = 1.00728 amu), Calculate the binding energy per nucleon
A 72.5 - kg skateboarder stands at the edge of a half pipewith a diameter of 5.46 m . he gently tips over the edge and ridesto the bottom where his speed is 6.94 m/s. he then kicks toincrease his speed to 8.53m/s as he starts to ride up the others..
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