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The USS Enterprise accelerates from rest at 100,000 m/s2 for a time of four seconds. how far did the ship travel in that time?
You are designing the section of a roller coaster ride. Previous sections of the ride give the train a speed of 14.9 m/s at the top of the incline, find the minimum radius you can use for the vertical loop
An experimentalist wishes to probe the nucleus which can be approximated as a hard sphere having a radius of 10^-13 cm. How large must the probe beam intesity be if the target consists of 10^10 nuclei
A 10-cm-diameter cylinder of helium gas is 20 cm long and at 20°C. The pressure gauge reads 120 psi. what is the mass of the helium
A current of 12.0 mA is maintained in a single circular loop with a circumference of 3.70 m. find the magnitude of the torque exerted by the magnetic field on the loop
A satellite with a mass of 310 kg moves in a circular orbit 3.00 107 m above the Earth's surface. What is the gravitational force on the satellite
A physics professor demonstrates the Doppler effect by tying a 610 Hz sound generator to a 0.9 m long rope, What are the highest and lowest frequencies heard by a student
A bullet shot straight up into the air returns to it's starting point in 10 seconds. What is the initial speed of the bullet
A 400 N stun pilot who has been driving his fighter plane vertically pulls out of the dive by changing her course to a circle in a vertical plane. what is the apparent weight of the pilot at the lowest point
q1. an airplane is flying horizontally with the speed of 1300kmh while an engine falls off. neglecting air resistance
Using the Bohr model, calculate the speed of the electron in a hydrogen atom in the n=1,2, and 3 levels. Calculate the orbital period in each of these levels
A 50-cm-thick layer of oil floats on a 120-cm-thick layer of water. What is the pressure at the bottom of the water layer
The area of a typical eardrum is about 5.0 × 10?5 m2. Calculate the sound power incident on an eardrum at the threshold of pain
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