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The space shuttle prepares to depart the surface of the earth where the atmospheric pressure is 1 atmosphere. When the hatch door to the shuttle closes there is the same pressure on the inside of the shuttle as on the outside. The shuttle blasts off into space where there is no air (so the pressure outside the shuttle is zero). If the pressure inside the shuttle remains at 1 atmosphere, what is the force (in N) on the hatch door that tends to blow the hatch out of the shuttle? Presume that the hatch door has an area of 2 m2. After you get your answer in Newtons, convert it to pounds.
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.14 x 106 m/s. What is the distance of closest approach
The current through a battery and resistors 1 and 2 in fig 26-34ais 2.00A. energy is transferred from the current to thermal energyEth in both resistors. curves 1 and 2 in fig26-34b give the thermal energy Eth forresistors 1 and 2 , respectively, ..
A 9.8 kg board is wedged into a corner and held by a spring at a 50.0° angle, Find the amount by which the spring is stretched from its unstrained length
a parallel plate capacitor has circular plates of radius 15.0 cm that are separated by a distance of 6.0 mm. the
the following questions ask you to solve problems involving topics weve covered this week. work each problem and post
Four identical particles, each with mass m = 10-6 kg and charge Q = 10-6 C, are initially at the four corners of a square with side-length a = 0.01 m. what is the final speed of the released particle once it is very far away
If Jessica can accelerate at a speed of 5-m/s^2, how long will it take for her to reach a speed of 30.0 m/s.
air that initially occupies 0.49 m3 at a gauge pressure of 63 kpa is expanded isothermally to a pressure of 101.3 kpa
A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 2.5 seconds after being hit. What is the initial velocity of the ball in the y direction
An aluminum wire carrying a current of 9.0 A has a cross-sectional area of 7.0 10-6 m2. Find the drift speed of the electrons in the wire
if you walk 6.0 km in a straight line in a direction north of east and you end up 2.0 km north and several kilometers
What is the maximum speed the car can have as it passes the highest point of the bump before losing contact with the road? The acceleration due to gravity is 9.8 m/s2.
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