Physics, 29.04.2021 19:50, hjukhvfd5723
Two soccer players kick a soccer ball. The first player kicks the ball with a 100 N force and the second player kicks the ball with a 200N force. Which player will accelerate (or move) the soccer ball faster?
Answers: 3
Physics, 22.06.2019 01:30, markmeinberg
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
Answers: 3
Physics, 22.06.2019 04:00, alexialoredo625
When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
Answers: 2
Physics, 22.06.2019 05:00, caguil00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Two soccer players kick a soccer ball. The first player kicks the ball with a 100 N force and the se...
Mathematics, 21.03.2021 08:30
Mathematics, 21.03.2021 08:30