Answers: 2
Physics, 22.06.2019 19:00
The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.
Answers: 1
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, 22.06.2019 23:30
Which of the following forces require physical contact? tension air resistance friction magnetic force applied force
Answers: 3
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 Γ 10-2 tesla. if the electrons have a velocity of 6.5 Γ 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 Γ 10-19 coulombs.
Answers: 2
A 620 N physics student stands on a bathroom scale in an elevator that is supported by a cable. The...
History, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
History, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
Mathematics, 03.08.2019 16:00
Spanish, 03.08.2019 16:00
Biology, 03.08.2019 16:00