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A projectile of mass 2.0 kg approaches a stationary target body at 5.0 m/s. The projectile is deflected through an angle of 59.5° and its speed after the collision is 2.8 m/s. What is the magnitude of the momentum of the target body after the collision?
A refracting telescope has an objective lens with a focal length of 2.30 m and an eyepiece with a focal length of 3.50 cm. by what factor is the angular size of an observed object reduced
The middle-A organ pipe was designed to sound at exactly 440 Hz when the temperature is 20 C. How long is the organ pipe if it is open on both ends
driving home from school one day you spot a ball rolling out into the street. you brake for 1.20 seconds slowing your
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 55.0 uA. What is the current density in the electron beam
one way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing temperature is
A 245 turn coil has an area of 3.3 cm2 and rotates in a magnetic field of 0.5 T. What frequency will generate a maximum emf of 10 V
In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. Find the initial speed of this second balloon
A photon has momentum of magnitude 8.15×10?28kg?m/s. What is the wavelength of this photon
The magnitude of earth's magnetic field is 50.0 µT and makes an angle of 30° with the plane of the coil. Assume a patient takes 1.50 s to inhale, find the magnitude of average induced emf in the coil during that time.
You are asked to design a spring that will give a 1310-kg satellite a speed of 3.50 m/s relative to an orbiting space shuttle, What must the force constant of the spring be
A 200 gram block, attached to the end of an ideal spring(horizontal) with force constant k = 70 N/m, Compute the magnitude of the maximum acceleration of the block
Coil springs are widely used in industry. Those used in scientific instruments must be manufactured to exhibit consistent performance. Calculate the force constant k
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