Physics, 07.04.2021 05:30 MathChic68
Which of the following is true about the input and output forces of a screw that is inserted into a block of wood? (Select all that apply) The input force is the same as the output force. O The input force is in a different direction than the output force. O The input force on the screw is greater than the output force. O The input force on the screw is less than the output force. O The input force is in the same direction as the output force.​
Answers: 3
Physics, 21.06.2019 17:20
An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?
Answers: 1
Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
Answers: 1
Which of the following is true about the input and output forces of a screw that is inserted into a...
Computers and Technology, 18.07.2019 17:00
Computers and Technology, 18.07.2019 17:00
Mathematics, 18.07.2019 17:00
History, 18.07.2019 17:00
History, 18.07.2019 17:00
History, 18.07.2019 17:00
Mathematics, 18.07.2019 17:00
French, 18.07.2019 17:00