Physics, 24.04.2020 01:23 zwbaby3693
A 70 kg skydiver is falling to the ground (using a parachute). If the air resistance (friction) from the parachute is 500 N, what is the skydiver's acceleration towards the ground?
0 m/s/s (Travelling at constant speed)
0.14 m/s/s [Downward]
0.38 m/s/s [Downward]
7.1 m/s/s [Downward]
2.6 m/s/s [Downward]
Answers: 1
Physics, 21.06.2019 22:30
Distinguish between a transverse wave and a longitudinal wave.
Answers: 1
Physics, 22.06.2019 04:30
Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
Answers: 3
Physics, 22.06.2019 06:30
What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
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
A 70 kg skydiver is falling to the ground (using a parachute). If the air resistance (friction) from...
Biology, 29.06.2019 02:50
English, 29.06.2019 02:50
Business, 29.06.2019 02:50
Computers and Technology, 29.06.2019 02:50
Biology, 29.06.2019 02:50
Mathematics, 29.06.2019 02:50