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In the movie, "SPEED" one of the action events required volunteer bus driver, Sandra Bullock, to jump a 50 foot (15.25m) gap in a newly constructed freeway overpass. The Hollywood premise is that the roadbed on the nearside is angled up to allow the bus to bridge the gap. Assume the bus can attain a maximum sppeedof 75 MPH (33.5m/s) at the time it leaves the near side of the gap and that the near edge of the gap is 1 m below the Far edge. Determine the angle of the road bed required to land on the far side safely.
question1a theory of nuclear astrophysics proposes that all the elements heavier than iron are formed in supernova
A home run just clears a fence 105 m from home plate. The fence is 4.00 m higher than the height at which the batter struck the ball, At what speed did the ball leave the bat
A current of 10^-14 A is produced in a free-air chamber operating under saturation conditions. The sensitive volume, in which electronic equilibrium exists, contains 0.22g of air. What is the exposure rate .
A person is pushing a uniformly-loaded 24.15 kg wheelbarrow along a plank that makes an angle ? = 38.0° with the horizontal. What is the total force the person must apply
A thundercloud similar to the one described in Example 24.3 produces a lightning bolt that strikes a radio tower. find the effective resistance of the air during the lightning strike
What is least value for which stick remain in equilibrium
There has long been an interest in using the vast quantities of thermal energy in the oceans to run heat engines. What is the maximum possible efficiency of such a power plant
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 9 A, and that of the vacuum cleaner is 5.5 A. Determine the power consumed by the vacuum cleaner.
A small plastic sphere with a charge of - 5.0 nC is near another small plastic sphere with a charge of - 12 nC. what is the distance between the spheres
When two resistors are connected in parallel across a battery of unknown voltage, What current will be supplied by the same battery
A 2.50 syringe has an inner diameter of 4 , a needle inner diameter of 0.24 , and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses syringe to inject medicine into a patient whose blood pressure is 140/100.
A basketball player grabbing a rebound jumps 73.3 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 13.1 cm of this jump and (b) in the bottom 13.1 cm? Do your results explain why such players seem to han..
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