Physics, 23.03.2021 02:10 alazayavila123

An object's speed is 0.8 m/s, and its momentum is 200 kg-m/s What is the mass of the object? A. 250kg

B. 200kg

C.160kg

D.128kg

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 11:00

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Answers: 2

Answer

Physics, 22.06.2019 18:30

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

Answers: 1

Answer

Physics, 22.06.2019 21:30

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 $\rm kw$. in the united states, emf amplitude in household circuits is $\mathcal e_{\max}$ = 170 ${\rm \; v}$ and the $\rm ac$ oscillation rate is 60 $\rm hz$. part a what is the root-mean-square current through the heating element?

Answers: 2

Answer

Physics, 22.06.2019 23:20

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction

Answers: 3

Answer

You know the right answer?

An object's speed is 0.8 m/s, and its momentum is 200 kg-m/s What is the mass of the object? A. 250...

Questions