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The mass of an atom oscillating at a frequency of 8.6 x 1011Hz in its lattice is 1.2 x 10-26 kg. If the amplitude of its oscillations is 0.045nm, find (a) its total energy in joules and eV, (b) its maximum speed, (c) its maximum acceleration, and (d) its equivalent spring constant. Note: 1eV = 1.6 x 10-19J.
two parallel plates each of area 6.27 cm2 are separated by 3.60 mm. the space between the plates is filled with air. a
You have a 1.7 long copper wire. You want to make an N-turn current loop that generates a 1.6 magnetic field at the center when the current is 2.5, What will be the diameter of your coil
An iron bar 40 cm long is braised to a copper bar 40 cm long and of the same diameter. What is the temperature of the junction point
A girl who is learning karate is going to break four bricks with her hand. Her hand and arm mass is 1.56 kg. what is the force delivered to the bricks
A basketball player jumps straigh up to launch a long jump shot at an angle of 45 degrees with the horizontal and a speed of 15 m/s. How far from his original position does he land
questiona common misconception is that current is used up and steadily declines as it progresses through a series of
At time a grinding wheel has an angular velocity of 22. It has a constant angular acceleration of 28.0 until a circuit breaker trips at time = 1.60 . From then on, the wheel turns by an angle of 438 as it coasts to a stop at constant angular decel..
A rock climber throws a small first aid kit to another climber who is higher up the mountain. FIND the vertical height difference between the two climbers
A plot of the temperature versus the energy per kg added to a piece of ice as it goes from below freezing at - 10°C to becoming steam at 110°C consists of straight lines, What do the upward slopes represent
An insulated vertical piston cylinder device initialy contains 10kg of water, 6 kg of which is in the vapor phase. Determine the mass of steam that has entered
The intensity of sunlight hitting the Earth is about 1300 W/m^2. How much pressure (per square meter) does it exert
Zach, whose mass is 55kg , is in an elevator descending at 14m/s. What is Zach's apparent weight while the elevator is braking
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