Physics, 25.12.2019 04:31 mandilynn22
Ared car and a blue car can move along the same straight one-lane road. both cars can move only at one speed when they move (e. g., 60 mph). the driver of the red car sounds his horn. in which one of the following situations does the driver of the blue car hear the highest horn frequency? a. both cars are moving at the same speed, and they are moving apart. b. both cars are moving in the same direction at the same speed. c. both cars are moving at the same speed, and they are moving toward each other. d. the red car is moving toward the blue car, which is stationary. e. the blue car is moving toward the red car, which is stationary.
Answers: 2
Physics, 22.06.2019 19:30
Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere
Answers: 2
Physics, 22.06.2019 23:30
1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?
Answers: 3
Physics, 23.06.2019 03:30
Arock displaces 1.65 l of water. the volume of the rock is: a: 1,650 cm³ b: 165.0 cm³ c: 16.50 cm³ d: 0.165 cm³
Answers: 2
Ared car and a blue car can move along the same straight one-lane road. both cars can move only at o...
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