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A projectile is fired from the edge of a 10m high cliff at 10m/s and an angle of 30 degrees from the horizontal.
a) what is the highest point the projectile reaches from the bottom of the cliff?
b) what is the total time the projectile has been traveling when it strikes the ground?
c) what is the total horizontal distance the projectile will travel?
d) what is the magnitude of the final velocity?
Molecules act as tiny springs and have vibration energy and frequency. The frequency of CO molecule is 6.42 x 1013Hz. Calculate the spring constant using the effective mass
A hydrogen atom at rest in the laboratory emits the Paschen ? radiation. Compute the recoil kinetic energy of the atom
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an object can be hung from a string with a linear mass density of 0.00200 kg/m that passes over a light pulley. What is the frequency of the vibrator
Calculate the intensity distribution
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When you turn on your key to start your car, electrons migrate from the negative battery terminal through the electric network to the starter motor and back to the positive battery terminal.
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
Find the value of Q that would make the thickness of the equivalent body 0.1 times its length (i.e the value of y at the dividing streamline at x=0 is 1/10 of the x coordinate at the aft stagnation point.).
The drawing shows three identical rods (A, B, and C) moving in different planes. Find the magnitude of the motional emf for the rods
Two equally charged insulating balls each weigh 0.26 g and hang from a common point by identical threads 25 cm long. find the magnitude of the charge on each ball
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