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A particle moves on the x axis attracted toward the origin O on itwith a force proportional to its instantaneous distance from O. If it startsfrom rest at x = 5 cm and reaches x = 2.5 cm for the first time after 2 s, find (a) theposition at any time t after it starts, (b) the speed at x = 0, (c) the amplitude, period andfrequency of the vibration, (d) the maximum acceleration, and (e) the maximum speed.
When you irradiate a metal with light of wavelength 425 nm in an investigation of the photoelectric effect, Find the work function of the irradiated metal
There is a long smooth slope and we release balls from the top of it every 1.5 s. Suppose the acceleration of the ball is 4.8 m/s2 and every ball is numbered in the releasing order.
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
a box of sand initially at rest is pulled along a horizontal floor by a cable with a breaking strength of 1020.0 n. the
a racquetball with a diameter of 5.6 cm and a mass of 42 g is cut in half to make a boat for american pennies made
A bird flies 3.0 km due west and then 2.0 km due north. Another bird flies 2.0 km due west and 2.0 km due north. What is the angle between the net displacement vectors of the two birds
If the cardiac output of a small dog is 4.05 x 10-3 m3/s, the radius of its aorta is 0.516 cm, determine the pressure drop across the aorta of the dog
question a deuteron is accelerated from rest through a 10-kv potential difference and then moves perpendicularly to a
Determine how many times greater heat loss occurs through a glass window thats 80.0 cm high, 70 cm wide, and 0.300 cm thick (k = 0.791 W/m°C) than a electrical supply line running outside to an exterior mounted light.
a 1210-kg car and a 2240-kg pickup truck approach a curve on the expressway that has a radius of 281m. for the angle i
suppose that each vehicle is initially moving at 9.60 ms and that they undergo a perfectly inelastic head-on collision.
An electron is in the fifth Bohr orbit of hydrogen. Calculate the time required for the electron to circle the nucleus
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