subject
Physics, 08.01.2020 02:31 qloc

Suppose a moving car has 2000 j of kinetic energy. if the carʹs speed doubles, how much kinetic energy would it then have?
a) 8000 j
b) 6000 j
c) 1000 j
d) 4000 j
e) 2000 j

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 03:00
Dinate system, and a charge q = - 2.00 nc is placed s2 10 n> c. (a) what is the change in electric potential energy when the dipole moment of a molecule changes its orientation with respect to es from parallel to perpendicular? (b) at what absolute temperature t is the average translational kinetic energy 32 kt of a molecule equal to the change in potential energy calculated in part(: abovethistemperature,thermalagitationprevents the dipoles from aligning with the electric field.) placed in a uniform electric field e with magnitude 1.6 * 6 on the positive x-axis at x = 4.00 cm. (a) if a third charge q3 = +6.00 nc is now placed at the point x = 4.00 cm, y = 3.00 cm, find the x- and y-components of the total force exerted on this charge by the other two. (b) find the magnitude and direction of figure p21.62 ll uu 21.55 . torque on a dipole. an electric dipole with dipole moment ps is in a uniform external electric field es. (a) find the orientations of the dipole for which the torque on the dipole is zero. (b) which of the orientations in part (a) is stable, and which is unstable? (hint: consider a small rotation away from the equi- librium position and see what happens.) (c) show that for the stable orientation in part (b), the dipole’s own electric field tends to oppose the external field. 21.62 ..
Answers: 1
question
Physics, 22.06.2019 05:30
Anybody wanna ? (picture included? )
Answers: 1
question
Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 1
question
Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
You know the right answer?
Suppose a moving car has 2000 j of kinetic energy. if the carʹs speed doubles, how much kinetic ener...
Questions
question
Mathematics, 04.09.2020 22:01
question
Chemistry, 04.09.2020 22:01
question
Mathematics, 04.09.2020 22:01
question
Mathematics, 04.09.2020 22:01
question
Biology, 04.09.2020 22:01
question
Mathematics, 04.09.2020 22:01
question
Mathematics, 04.09.2020 22:01
question
Mathematics, 04.09.2020 22:01
Questions on the website: 13722363