Physics, 26.02.2020 00:18 punkinrichard1oxon2i
The acceleration of a rocket fired vertically upwards t seconds after launch is 40+4 m−2 (as a rocket burns fuel it becomes lighter, so accelerates more quickly). What is the second order differential equation for the height of the rocket. ℎ′′=
Answers: 2
Physics, 22.06.2019 04:10, brianamelara
Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward
Answers: 3
Physics, 22.06.2019 11:30, glizbethh00
Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?
Answers: 1
The acceleration of a rocket fired vertically upwards t seconds after launch is 40+4 m−2 (as a rocke...
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