An object is moving forward with a constant velocity. which statement about this object must be true?
a. no forces are acting on the object.
b. the net force on the object is in the forward direction.
c. the acceleration of the object is in the forward direction.
d. the net force on the object is zero.
Answers: 1
Physics, 21.06.2019 15:10
What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?
Answers: 3
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, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 12:00
Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
Answers: 1
An object is moving forward with a constant velocity. which statement about this object must be true...
Mathematics, 20.03.2020 03:14
English, 20.03.2020 03:14
Chemistry, 20.03.2020 03:14
Geography, 20.03.2020 03:14
Geography, 20.03.2020 03:14
Computers and Technology, 20.03.2020 03:15
Mathematics, 20.03.2020 03:15
Physics, 20.03.2020 03:15