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A mass-spring system with a natural frequency of 4.4 Hz is started in motion with an initial displacement from equilibrium of 5.7 cm and an initial velocity of 1.4 m/s. What is the amplitude of the resulting motion?
A .300kg mass attached to the end of a .75m string is whirled around on a smooth level table. If the maximum tension that the string can withstand is 250N, then what most tangential speed can the mass have if the string is not to break.
How much energy is emitted by the blackbody, How much energy is emitted by the blackbody at all wavelengths in one hour
Suppose that 0.10mol of argon gas is admitted to an evacuated 50cm3 container at 20° C. The gas then undergoes isobaric heating to the temperature of 300°C. What is the final pressure of gas? What is the final volume.
A diver has a vertical velocity of -12 m/s when she is 1.8 m above the water. What was her peak height
A star ship is circling a distant planet of radius. The astronauts determine that the acceleration because of gravity at their altitude is half the value at the planet's surface. How far above the surface are they orbiting? Your reply would be a m..
You throw a stone vertically upward with an initial speed of 6.0 m/s from a third-story office window, Find the time the stone is in flight
A molecule of DNA (deoxyribonucleic acid) is 2.28 µm long, Determine the effective spring constant of the molecule
An archer shoots an arrow with a velocity of 45.0 m/s at an angle of 50.0° with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed necessary to m..
An amount of ideal gas is con?ned to a sealed box at one-half atmospheric pressure, i.e., 50.65 kPa. With clever control, the volume of the box is reduced to 1/8 of its original value (without any gas leaking in or out), while the temperture is ke..
The inside of the cylindrical can shown above has cross-sectional area 0.005 m^2 and length 0.15 m. The can is filled with an ideal gas and covered with the loose cap. The gas is heated to 363K and some is allowed to escape from the can so that re..
You are driving home from school steadily at 94 km/h for 150 km. It then begins to rain and you slow to 63 km/h. You arrive home after driving 3 hours and 30 minutes. How far your hometown from school and what is was your average speed.
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision
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