Physics, 24.10.2019 16:43 jennainglish
|| suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveling a distance of 1200 m down the runway. a smaller plane with the same acceleration has a takeoff speed of 40 m/s. starting from rest, after what distance will this smaller plane reach its takeoff speed?
Answers: 3
Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
Answers: 1
Physics, 21.06.2019 23:20
Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?
Answers: 1
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
|| suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveli...
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