Physics, 21.07.2019 11:50 PersonPerson13260
1.which of the following is an example of work? a. tim worked hard to carry a box of books across a room b. a scientist works in the laboratory c. sam and rachel worked hard to push the car but it did not move d. joann did work on a box when she pulled it across the floor 2.joe carries his 5 kg cat 3 m horizontally across the living room. what is the net work done on the cat? a. 0j b. 15j c. 150j d. 180j 3.which of the following is associated with an object in motion? a. potential energy b. nonmechanical energy c. kinetic energy d. elastic potential energy 4.which of the following is associated with an object due to its position? a. potential energy b. positional energy c. total energy d. kinetic energy 5.what is kinetic energy of a 1000 kg truck moving at 32.0 m/s? * a.1.2 x 10⁵ j b.3.21 x 10⁵ j c.5.12 x 10⁵ j d.6.34 x 10⁵ j
Answers: 2
Physics, 22.06.2019 14:30
70 give a real life example showing how sensory neurons work with the motor neurons
Answers: 2
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
1.which of the following is an example of work? a. tim worked hard to carry a box of books across...
Biology, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
Physics, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
History, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31
History, 10.11.2019 17:31
History, 10.11.2019 17:31
Mathematics, 10.11.2019 17:31