Physics, 02.08.2019 11:00, seraphina05
Krista is playing tennis at the park. when the tennis ball flies toward her, krista hits the ball with her racket, which causes the ball to fly in the opposite direction. according to newton's third law of motion, which of the following is true? a. when the racket hits the tennis ball with a force, the ball applies an equal force in the same direction as the racket's force. b. when the racket hits the tennis ball with a force, the ball applies a much weaker force in the opposite direction of the racket's force. c. when the racket hits the tennis ball with a force, the ball does not apply any reaction force to the racket. d. when the racket hits the tennis ball with a force, the tennis ball applies an equal but opposite force to the racket.
Answers: 2
Physics, 22.06.2019 13:10, alejandramirand9836
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 19:00, arianaaldaz062002
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 22.06.2019 20:00, dee6991
Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
Answers: 1
Krista is playing tennis at the park. when the tennis ball flies toward her, krista hits the ball wi...
Mathematics, 22.05.2021 02:10
Social Studies, 22.05.2021 02:10
English, 22.05.2021 02:10
Mathematics, 22.05.2021 02:10
Mathematics, 22.05.2021 02:10
Mathematics, 22.05.2021 02:10
English, 22.05.2021 02:10