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A 5000 kilogram lunar lender is in orbit 30 kilometer above the surface of the moon. It needs to move out to a 500 kilometer high orbit in order to link up with the mother ship that will take the astronauts home. Determine how much work do the thrusters do?
What is the lowest frequency (in Hz) that will resonate in a 3 m length organ pipe, closed at one end (velocity of sound = 340 m/s) (b) What is the next highest frequency (2nd harmonic)?
a 2.67-f and a 4.20-f capacitor are connected in series across a 25.0-v battery. a 8.24-f capacitor is then connected
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
question1two window washers bob and joe are on a 3.00 m long 380 n scaffold supported by two cables attached to its
A 599 Hz sound wave travels through a substance. What is the speed of sound in the substance
The net torque on an object instatic equilibrium must be zero about any axis. If the net force on a system iszero, then the system must be in static equilibrium. A rotating object must beexperiencing a net torque about the rotation axis.
A person with a near-point distance of 25 cm finds that a magnifying glass gives an angular magnification that is 1.5 times larger, What is the focal length of the magnifying glass
question jason leaves detroit at 200 p.m. and drives at a constant speed west along i-96. he passes ann arbor 40 mi
questionelectric charge on the earths surface and in the earths atmosphere produces an electric field that on a clear
The average coefficient of volume expansion for carbon tetrachloride is 5.81 10-4 (°C)?1. If a 56.5-gal steel container is filled completely with carbon tetrachloride when the temperature is 10°C, how much will spill over when the temperature rises t..
Two air track carts are sliding to the right at 2 m/s. The springbetween them has a constant of 150 N/m and is compressed 4 cm. Thetwo carts slide past a flame that burns the string holding themtogether. What are the speed and direction of each ca..
a 3 kg block slides with a speed of 1.1 ms on a frictionless horizontal surface until it encounters a spring.a. if the
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