Magnitude of objects velocity at the end of certain interval
A 2.0-kg object has a velocity of 4.0 i m/s at t = 0. A constant resultant force of (2.0 i+ 4.0 j) N then acts on the object for 3.0 s. What is the magnitude of the object's velocity at the end of the 3.0-s interval?
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Calculate the wavelengths of the lines in the Balmer Series from the values of N(initial) and N(final) for hydrogen. Give the wavelength in nanometer.
A plance c is flying directly from one island to another at an elevation of 3200 ft. What is the distance between the two islands? Estimate your answer to the nearest foot.
A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest. Immediately after the collision, the 2.0-kg object has a velocity of 1.5 m/s directed 30? from its initial direction of motion. What is the x component of the velocity of th
For hydrogen, ionization energy would correspond to moving the electron from n=1 to infinity,Calculate the ionization energy of one atom of hydrogen in joules.
A projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach its peak height? The projectile has a range of 80 meters. What is its horizontal velocity?
The Paschen Series of lines arise from electronic transitions to energy level n=3. Calculate the frequency in Hz of the light emitted by an electron falling from n=4 to n=3.
Use the remainder theorem to find the remainder when f(x) is divoded by x-3. then use the factor theorem to determine whether x-3 is a factor of f(x).
What is the y-component of the magnetic force on the first particle due to the second?
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Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
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