Arocket is fired straight upward, starting from rest with an acceleration of 25.0 m/s^2. it runs out of fuel at the end of 4.00 s and continues to coast 25.0 m/s^2. it runs out of fuel at the end of 4.00 s and continues to coast upward, reaching a maximum height before falling back to earth. (a) find the rocket’s height when it runs out of fuel; (b) find the rocket’s velocity when it runs out of fuel; (c) find the maximum height the rocket reaches; (d) find the rocket’s velocity the instant before the rocket crashes into the ground; and (e) find the total elapsed time from launch to ground impact.
Answers: 1
Physics, 21.06.2019 18:00, giavanleer14
Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.
Answers: 3
Physics, 22.06.2019 13:10, alejandramirand9836
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
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Physics, 23.06.2019 05:00, cristian901997
The voltmeter reads 117 v and ammeter reads 0.13 a .if the resistance of ammeter and voltmeter are 9 kilo ohm and 0.015 ohm respectively ,find the value of r. 3marks
Answers: 3
Arocket is fired straight upward, starting from rest with an acceleration of 25.0 m/s^2. it runs out...
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