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An astronaut (mass of 100 kg, with equipment) is headed back to her space station at a speed of 0.750 m/s but at the wrong angle. To correct her direction, she fires rockets from her backpack at right angles to her motion for a brief time. These directional rockets exert a constant force of 100.0 N for only 0.200 s.
A) What is the magnitude of the impulse delivered to the astronaut?
B) What is her new direction (relative to the initial direction)?
C) What is her new speed?
A steel ball bearing 8.0 mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
a magnetic field is perpendicular to .04 by .06 m a rectangular coil of wire that has one hundred turns in a time of .05s, Calculate the change in the magnetic field
A bicycle with 0.80m -diameter tires is coasting on a level road at 5.6m/s. A small blue dot has been painted on the tread of the rear tire. What is the angular speed of the tires
Treat the ball as a uniform, solid sphere, ignoring the finger holes. Illustrate what is the acceleration of the center of mass of the ball?
A point charge of 20nC is placed on the x-axis at the point x = 2. Find the x-component of the electric field Ex at x = 4 and x = -1 where the coordinates are in meters
In order to fabricate a uniform wire of resistance 2.7 ?, out of m=1 g copper which has a density of 8.92×103 kg/m3, What should be the length of the wire
When the power is turned off on a turntable spinning at 59.0rpm, What is the angular acceleration (in rad/s2), of this turntable
If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration?
A layer of oil, with a refractive index of 1.40798, 0.97483 mm thick, How many wavelengths are contained in the light wave passing back and forth through the oil
A railroad car of mass 2.00 x 10^4 kg moving at 3.00 m/s collides, What is the speed of the three coupled cars after the collision
Analyze and interpret the process behavior charts of selected quarterly earnings data of Southwest Airlines between 2000 and 2005.
A 0.150 kg ball is going around in a vertical circle of radius R = 0.300 m at constant speed v. The ball is attached to a mass less ideal string which is attached to a fixed pivot point. If the tension F in the string is greater than 125 N, the st..
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