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Q. An air molecule is moving at a speed of 444 m/s. How many meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules?Q. A wooden artifact from an ancient tomb contains 75.6 percent of the carbon-14 that is present in living trees. How long age was the artifact made? (The half-life of carbon-14 is 5730 years.)
Determine the greatest vertical displacement of the pendulum
Find the mass flow rate in through the vent in question #1 using the following well-known relationship for the mass flow into an opening:
A good baseball pitcher can throw a baseball toward home plate at 91 miles per hour with a spin of 1789 revolutions per minute. How many revolutions does baseball make on its way to home plate? For simplicity, assume that the 60.0 ft path is a straig..
Find the differential equation and use the initial conditions to determine the constant of integration.
The period of oscillation of an object in a frictionless tunnel running through the Earth is 84.3 min. What is the time of oscillation of an object in a similar tunnel on the Moon.
What must be the temperature of the cold reservoir in order to increase the efficiency to 29.0%
A person wearing a safety belt can withstand an acceleration of -3.0 x 10^2 m/s2. How thick must barriers be to safely stop a car that hits a barrier at 112 km/h.
How much energy is necessary to bring the system back
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
A charge of +2.00 x 10^-9 C is placed at x = 0.0 m. A second charge of +4.00 x 10^-9 C is placed at x = 1.5 m.
Describe the displacement of the airplane when the radar was tracking it-RBA=RB-RA. What are the components of RBA.
A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.
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