Physics, 28.01.2021 14:00 gghkooo1987
A 105 kg football player runs at 8.5 m/s and plows into the back of an 85 kg referee running at 3.5 m/s on the field causing the referee to fly forward at 6.0 m/s. What is the momentum of the referee after the collision?
Answers: 2
Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
Answers: 1
Physics, 23.06.2019 00:30
Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided
Answers: 3
Physics, 23.06.2019 01:30
Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
Answers: 2
Physics, 23.06.2019 03:30
One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.
Answers: 1
A 105 kg football player runs at 8.5 m/s and plows into the back of an 85 kg referee running at 3.5...
Biology, 16.10.2020 22:01
English, 16.10.2020 22:01
Health, 16.10.2020 22:01
Geography, 16.10.2020 22:01
Mathematics, 16.10.2020 22:01
Biology, 16.10.2020 22:01
Geography, 16.10.2020 22:01
Mathematics, 16.10.2020 22:01
Mathematics, 16.10.2020 22:01