Physics, 20.10.2020 04:01 cgratz5106
When the air resistance can be ignored the velocity of an object dropped initially from rest is given by the following equation where g is free-fall acceleration
A. g*t^2/2
B. g*t
C. g*t/2
D. g
Answers: 2
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 22:30
Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.
Answers: 1
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
When the air resistance can be ignored the velocity of an object dropped initially from rest is give...
Biology, 05.10.2019 09:30
Mathematics, 05.10.2019 09:30
Social Studies, 05.10.2019 09:30
Chemistry, 05.10.2019 09:30
Biology, 05.10.2019 09:30
Computers and Technology, 05.10.2019 09:30
Mathematics, 05.10.2019 09:30
Social Studies, 05.10.2019 09:30
English, 05.10.2019 09:30
Mathematics, 05.10.2019 09:30