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On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. One such catapult takes a 18,100-kg jet from 0 to 66 m/s in 2.6 s. (Assume the catapult acts in the positive horizontal direction. Indicate the direction with the sign of your answer where appropriate.) (a) What is the acceleration of the jet in m/s2? (b) What is the acceleration of the jet in g's? (c) How far does the jet travel while it is accelerating? (d) How large is the force that the catapult must exert on the jet?
A photon with a wavelength 4.10pm scatters from an electron initially at rest. Find the maximum kinetic energy for the scattered electron
A 50.0-kg child stands at the rim of a merry-go-round of radius 1.75 m, rotating with an angular speed of 3.10 rad/s. What is the child's centripetal acceleration
q1. how did pavlov and watsons focus on scientific inquiry of behaviours differ from earlier viewpoints of
a wedding ring of diameter 2.21 cm is tossed into the air and given a spin resulting in an angular velocity of 13
A compact disk player has just been turned off. A disk decelerates uniformly from an initial angular velocity of 7.20 rev/s.The disk rotates through 3.25 revolutions before coming to rest. What is the tangential acceleration of apoint on the disk ..
would you get the same relationship between distance up the ramp parallel to the ramp rather than height and stopping
starting from rest, a 4.0-kg crate of cell phones reaches a horizontal speed of 8.0 m/s in 2.0 s. What is the net force acting on the crate
Three vectors have the same magnitude of 18 units. They make angles of ?, 2 times ? and 3 times ? with respect to the x axis, where ? = 14 o. What is the y-component of their vector sum
Bowling balls can be made from a variety of substances and are needed to have a circumference of roughly 27.2 inches. The construction of the ball typically consists of a high density core surrounded with a lower density shell.
A 95-kg fullback is running at 4.0 m/s to the east and isstopped in 0.75 s by a head-on tackle by a tackler running duewest. estimate the average force exerted on the tackler
The cubit is an ancient unit. Its length equals six palms. (A palm varies from 2.50 to 3.50 inches depending on the individual.) We are told Noah's ark was 300 cubits long, 50 cubits wide and 30 cubits high.
a skier is accelerating down a 30.0deg hill at 4.00 ms2 .a what is the vertical component of her acceleration?b how
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