What is the direction of the magnetic field at point Z?
A wire perpendicular to the screen carries a current in the
direction shown.
up
down
left
right
Into the screen
Out of the screen

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

d. platinum would have the greatest temperature increase because it has the lowest specific heat.