Physics, 29.06.2019 05:00 louieknown
A57 kg boy and a 37 kg girl use a elastic rope while engaging in a tug-of-war on a frictionless icy surface. if the acceleration of the girl toward the boy is 3.2 m/s^2, determine the magnitude of the acceleration of the boy towards the girl.
Answers: 1
Physics, 22.06.2019 17:00
Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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Physics, 22.06.2019 18:30
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
Physics, 22.06.2019 21:40
Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
Answers: 3
A57 kg boy and a 37 kg girl use a elastic rope while engaging in a tug-of-war on a frictionless icy...
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