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There are two answers required for this question. A rocket is fired straight up and accelerates upward at 12 m/s2 for 18 seconds. The rocket then runs out of fuel and coasts still going up. Ignore any air resistance effects on the rocket and use -9.8 m/s2 for the local acceleration due to gravity. a) What is the rocket's maximum altitude? b) At the maximum height the rocket ejects a 55.0 kg scientific package which falls straight down with an average constant retarding force of 175 N. What is the package's speed when it hits the ground?
What are the d irections of electric field
A 4.00kg block is suspended from a spring withk=560N/m. A50.0g bullet is fired straight up into the block from directly below with a speed of168m/s, Find the amplitude of the resulting simple harmonic motion
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. what will be the magnitude of the resulting angular acceleration
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. How high will the ball rise
0.17 mol of argon gas is admitted to an evacuated 54.83 cm3 container at 27°C. What is the final volume of the gas
The electric field strength is 40800 N/C inside a parallel-plate capacitor with a 2.2 mm spacing. obtain the proton's speed when it reaches the negative plate
A narrow beam of white light is incident at 30? on a 11.0cm -thick piece of glass. What is the index of refraction for deep violet light
A submarine is stranded on the bottom of the ocean with its hatch 38 m below the surface. Calculate the force needed to open the hatch from the inside
The two liquids do not mix. What is the difference in height between the top surface of glycerine and top surface of the alcohol.
The dial on an FM radio contains numbers ranging from about 88 to about 108. What is the corresponding range of wavelengths
a uniform metal plate of edge 25 cm has a square section of edge 5.0 cm cut out of it.a where is the center of gravity
You are driving home from school steadily at 80 for 150. It then begins to rain and you slow to 50. You arrive home after driving 3 hours and 20 minutes.
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