What is the change in kinetic energy (in units of MJ) associated with an aircraft of mass 353 metric tonnes changing its speed from 121 miles-per-hour to 369 miles-per-hour?
u = 121 mph = 54.1 m/s
v = 369 mph = 164. 96 m/s
m = 3.53*10^5 kg
chabge in kE
dkE = 0.5 m ( v^2 - u^2)
dKE = 0.5* 3.53*10^5* ( 164.96^2 - 54.1^2)
dKE = 4.286* 10^3 MJ
======
Comment in case any doubt, will reply for sure.. Goodluck
What is the change in kinetic energy (in units of MJ) associated with an aircraft of...
In what factor does the kinetic energy change if the motorcycle speed drops to 34 miles per hour? Initial: 68 mph
A charged dust speck with a mass of 6.1 g dust loses 27 mJ of kinetic energy as the electric potential along its path decreases by 124 V. (a) How much work was done on the dust speck? Whet mJ (b) How much did the dust speck's electric potential energy change, assuming that the electric force is the only one acting on it? mJ (c) What is the net charge on the dust speck? (d) What was the dust speck's...
. An aircraft with a mass of 2,000 kg starts from rest at sea level and takes off, then flies to a cruising speed of 620 km/h and altitude of 10 km. Assume g-9.8 m/s throughout the process What is the aircraft's change in potential energy? What is the aircraft's change in kinetic energy? a. b. Answers: About 200 and 30 MJ respectively
By what factor does your kinetic energy increase if you speed up from 14.2 to 29.7 miles per hour? Enter your answer to two significant figures. If you energy doubles, enter 2.0. If it increases by 50%, enter 1.5.
Please answer part a, thank you! Having troubles figuring out
how to convert English units to Joules.
An Alaska Airline commercial aircraft is flying from Omaha to Seattle, a distance of 1600 miles. The aircraft is a Boeing 737-900, flying with the mass of 160,000 lb, very close to its maximum take-off mass which is 164,000 lb. From the moment the aircraft levels to its set altitude of 45,000 ft, it flies at the steady state cruise speed of 550...
what energy changes are associated with lighting a candle? (mention what kind of kinetic energy or potential kinetic energy are involved)
By what factor will the kinetic energy change if the speed of the baseball is decreased to 67.2 mi/h?
Q) What is the kinetic energy, in joules, of a molecule of oxygen moving at a speed of 255 m/s(use the appropriate prefix to avoid exponential notation) a) The equation for kinetic energy is ½mv2, and is in units of joules. What are the component units for joules in terms of mass and velocity? kg m^2/s^2 b) From the previous part, we know that the mass needs to be in units of kg. What is the mass of an oxygen...
What is the kinetic energy of a car weighing 3000 pounds traveling at 55 miles per hour
What is the change in Kinetic Energy, in joules, in this frame
of reference?
Please can someone show me every step? Thanks
(6%) Problem 15: Two manned satellites are approaching one another at a relative speed of 0.225 m/s, intending to dock. The first has a mass of 3.75 x 103 kg, and the second a mass of 9.8 x 103 kg.