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The longest javelin throw at the Olympics covered a horizontal distance of 104.8 m. The athlete threw the javelin at an angle of J3CK00 above the horizontal from an initial height of 1.50 m above the ground. Ignore air resistance.
a) What was the initial speed of the javelin?
b) What was the maximum height of the javelin?
c) What is the final velocity of the javelin? Give your answer in terms of a magnitude and a direction.
What is the probability that a diatomic molecule, modeled as a harmonic oscillator, will be observed outside the classical limit of motion?
After a day of testing race cars, you decide to take your own 1478 kilogram car onto the test track. Find what average net force has you applied to the car during that time
A spring has a spring constant of 25 N/m, and a mass of 0.75 kg is suspended from it. If I pull the mass down by 0.13 m out of its equilibrium position, what is the work done against the spring?
A suction cup works by virtue of a vacuum that is build within the cup. When the cup is pressed against a flat plane, determine the pressure inside the suction cup
What is Fx of the magnitude of the skiers velocity.
The frequency of light reaching Earth from a particular galaxy is 16% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
A neon atom (m=20.0 u) makes a perfectly elastic collision with another atom at rest. Find what is the mass (in u) of the unknown atom
A dolphin emits an ultrasonic waves with a frequency of 2.5 x 105 Hz and a wavelenght of 0.020 ft. What is the speed of sound in sea water?
Measuring the Speed of Sound. A student investigator is measuring the speed of sound by looking at the time for a brief, sinusoidal pulse from a loudspeaker to travel down a tube, What was the approximate length of the tube
A rock of mass 44 kg accidentally breaks loose from edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. What is the magnitude of the acceleration of the rock?
Which of the following objects has the largest kinetic energy?
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
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