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An object starts from rest and falls under the influence of gravity. Draw graphs of
(a) Its speed and
(b) The distance it has fallen, as a function of time from t = 0 to t = 5.00s. Ignore air resistance.
Archimedes purportedly used his principle to verify that the king's crown was pure gold by weighing the crown while it was submerged in water.
During 0.25 s, a wheel rotates during an angle of 3.62 rad as a point on the periphery of the wheel moves with a constant speed of 2.23 m/s. What is the radius of the wheel?
You are on a cruise ship traveling north at a speed of 9 m/s with respect to land. what is your velocity with respect to the land
Explain whether the resistance to change was caused by an internal or external factor. Using Kotter's theory for change, provide a plan for overcoming that resistance.
A solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is connected across it and a potential difference of 0.504 V, find the internal resistance of the cell in Ohms
A proton (mass m = 1.67 × 10-27 kg) is being accelerated along a straight line at 9.6 × 1012 m/s2 in a machine. What is the increase in its kinetic energy
q1. a soccer player kicks a ball giving it an initial velocity of 17.2 ms in the horizontal direction and 12.0 ms in
A 1890 kg truck traveling north at 45 km/h turns east and accelerates to 51 km/h. What is the change in the truck's kinetic energy
A 32.0 kilogram wheel, basically a thin hoop with radius 1.39 meter, is rotating at 280 rev/min. Determine what is the required average power
A force acting on an object moving along the x axis is given by Fx = (14x ? 3.0x2) N, How much work is done by this force as the object moves from x = ?2.0 m to x = +1.0 m
After 1.86 days, the activity of a sample of an unknown type radioactive material has decreased to 88.8% of the initial activity
Estimate the ratio of the intensity of an earth quake wave as it passes a point 21 kilometer from the source to the intensity as it passes a point 14 kilometer from the source
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