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Question: Suppose you are driving your car on a business trip and are travelling at 30 m/s. Your boss, who is waiting at your destination, expects the trip to take 5.0 hours. When you arrive late, your excuse is that your car clock registered the passage of 5.0 hours but that you were driving fast and so your clock ran more slowly than your boss's clock. If your car clock actually did indicate a 5.0 hour trip, how much time passed on your boss's clock, which was at rest on the Earth?
Suppose the moon were held in its orbit not by gravity but by the tension in a massless cable. What is the speed of the moon in its orbit about the earth
Two masses of 1 kilogram and 31 kilogram, resting on a frictionless table, are connected by a compressed spring. Determine what is the velocity of the larger mass
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.111-mm wide slit on a screen. How far is the screen located from the slit
A bicycle has wheels with adiameter of 0.640 m. Find the linear acceleration of the bicycle
A block that has a mass of 0.06 kg and a block that has a mass of 2.19 kg are attached to the ends of a rope. A student holds the 2.19-kg block and lets the 0.06-kg block hang below it, then he lets go. What is the tension in the rope while the block..
After a tornado, a 0.55g straw was found embedded 2.6cm into the trunk of a tree. If the average force exerted on the straw by the tree was 70 N, what was the speed of the straw when it hit the tree.
In seawater, a life preserver with a volume of 4.00×10?2m^3 will support a 72.0kg person (average density 980kg/m^3 ), compute the density of the material composing the life preserver
an object undergoes uniformly accelerated motion from point x1 4 m at time t1 2 s to point x2 40 m at time t2 7 s.a
A 1-m3 tank contains 2.841 kg of steam at 0.6 MPa. Determine the temperature of the steam, using
A river narrows at rapids from a width of 15 meter to a width of only 6 meter. Obtain the speed of water flowing in the rapids
A and B, are located at the similar distance from the observation screens. Light with the similar wavelength λ is used for each. The separation between adjacent principal maxima for grating A is 2.7cm, and for grating B it is 3.2 cm.
A transformer on a pole near a factory steps the voltage down from 3600 V (rms) to 120 V (rms). estimatev the power delivered to the primary
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