subject
Physics, 17.03.2020 19:43 acontrevas1010

Alana is skateboarding at 19 km/h and throws a tennis ball at 11 km/h to her friend Oliver who is behind her leaning against
a wall. What is the speed of the tennis ball if someone was watching the exchange on the sidewalk?
8 km/hr
11 km/hr
15 km/hr
30 km/hr

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 17:00, dmurdock1973
Why is there friction between objects
Answers: 1
image
Physics, 22.06.2019 03:00, trinitieu66
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
Answers: 2
image
Physics, 22.06.2019 06:00, ayoismeisalex
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
image
Physics, 22.06.2019 07:20, aliviafrancois2000
Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?
Answers: 2
You know the right answer?
Alana is skateboarding at 19 km/h and throws a tennis ball at 11 km/h to her friend Oliver who is be...

Questions in other subjects:

Konu
Mathematics, 05.05.2020 18:17
Konu
Mathematics, 05.05.2020 18:17
Konu
History, 05.05.2020 18:17