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An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at t=0 {\rm s}. It then oscillates with a period of 1.50s and a maximum speed of 42.0cm/s . What is the amplitude of the oscillation? What is the glider's position at t= 28.0s ?
A wrench is used to tighten a nut. A force of 15 N is applied a distance 8.0 cm from the axis of rotation of the nut; the lever arm is 8.0 cm long
Imagine that the only visible photons that an electron in a box of unknown length emits have wavelengths of 689nm and 413nm, Identify the transitions and find the length of the box
Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. How many kilograms of nitrogen are boiled away in a period of 5.00 h
Polymer diffusion and Calibration of an optical tweezer
An ac source of maximum voltage Vo=30 V is connected to a resistor R=50O, an inductor L=0.6 H, and a capacitor C=20 uF. What is the maximum charge on the capacitor
Four point charges are located at the corners of a square measuring 50.0 cm on each side. Three of the charges are -2.00 uC each and the fourth is -5.00 uC, Find the potential energy of the system of four charges
A proton has a speed of 0.80c.Calculate the rest energy of the proton. Calculate the total energy of the proton
One-eighth of a sample of Th remains undercayed after 54 days. What is the half-life of this thorium isotope
In a stunt scene for a new action movie a motorcyclist will take off horizontally from the top of one building, What is the minimum horizontal take-off speed that the motorcycle must have to make the jump safely
Describe how a light water commercial nuclear reactor works. Include a diagram and talk about the role of each of the following factors; fuel, moderator, control rods, coolant, reactor vessel, shielding.
Consider an object that is in an elliptical orbit with semimajor axis a = 3.1×106 m about a planet of mass M = 2.2×1023 kg. What is the speed of the object When it is closest to the planet at r = a/4
An 8.71-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.0° with the horizontal. find the distance the block slides before coming to rest
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