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A group of students launches a model rocket in the vertical direction. Based on tracking data, they determine that the altitude of the rocket was 27.5 m at the end of the powered portion of the flight and that the rocket landed 16 s later. Knowing that the descent parachute failed to deploy so that the rocket fell freely to the ground after reaching its maximum altitude and assuming that g = 9.81m/s2, determine
(a) The speed v1 of the rocket at the end of powered flight,
(b) The maximum altitude reached by therocket.
Determine the new planets mass density to earth mass density
A cylindrical barrel with a radius of 30 centimeter and a mass of 75 kilogram rolls across a warehouse floor without slipping. The speed of the barrel's center of mass is 8.0 m/s. Compute the total kinetic energy of the barrel
Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). Estimate the average bulk modulus of Earth's crust given
A hollow cylinder of mass 0.100kg and radius 4.00cm has a stringwrapped several times around it. Find the speed of the cylinder when a meterof a string has unwound off it
The intensity of light from the sun is about 1000 W/m^2 on Earth. The distance between Mars, What is the intensity of light from the Sun on Mars
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 meters per second per second. Find the net downward force on the tank's flat bottom
In the hydraulic system shown in the figure , the piston on the left has a diameter of 4.5 and a mass of 1.8, what is the height difference between the two pistons
A copper wire has a resistance of 0.500 ? at 20.0ºC , and an iron wire has a resistance of 0.525 ? at the same temperature
Four persons, each with a mass of 73.1 kilogram, are in a van with a mass of 1150 kilogram. An earthquake strikes. Find by what distance does the car undamaged suspension lifts the car body as the people get out
the engine of a model rocket accelerates the rocket vertically upward for 2.0 s as follows at t 0 the rockets speed is
Particle 1 and particle 2 have masses of m1 = 1.1 × 10-8 kg and m2 = 6.3 × 10-8 kg, but they carry the same charge q. What is the radius (in cm) of the circular path for particle 2
A woman stands in a elevator that has a constant acelerationwhile the elevator travel upward a distance of 18.0 m. what is the mass of the woman
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