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A rocket rises vertically, from rest, with an acceleration of 4.0m/s2 until it runs out of fuel at an altitude of 1400m . After this point, its acceleration is that of gravity, downward.
A) What is the velocity of the rocket when it runs out of fuel?
B) How long does it take to reach this point?
C) What maximum altitude does the rocket reach?
D) How much time (total) does it take to reach maximum altitude?
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 40 km away.
An outboard motor for a boat is cooled by lake water at 14.7 degC and has a compression ratio of 14.1, Calculate efficiency of the engine's Otto Cycle
A car is driven 175km west and then 55km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
Classically, the electron cannot pass through the barrier because E
a detector has a sensitivity of 10^6 V/W and a NEP* = 10^-10 W/Hz^1/2. Light of 1E-6 W power is measured with the detector, what is the signal
As your bus rounds a flat curve at constant speed, a package with mass 0.300kg , suspended from the luggage compartment of the bus by a string 50.0cm long, What is the speed of the bus
In a 30.0 s interval, 540 hailstones strike a glass window of area 0.600 m2 at an angle of 45.0° to the window surface. Find the pressure on the window
If each rock strikes the fixture traveling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, find out how high above the lowest point does the impact make your light fixture swing?
The centers of a 11.0kg lead ball and a 150g lead ball are separated by 7.00cm. What gravitational force does each exert on the other
Imagine a "free" electron and a "free" proton held midway between the plates of a charged equivalent plate capacitor. When released, how do their accelerations and directions travel compare.
Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?
Assume that the only force acting on him throughout the collision is that as a result of the ground.
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