The region of Jupiter that is responsible for the magnetic field is composed of ____________
Fill in the blank(s) with correct word
liquid metallic hydrogen
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A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. In what direction does the wreckage move just after the collision?
A) 36.9° N of E B) 42.0° N of E C) 45.0° N of E D) 53.1° N of E E) 48.0° N of E
A miniature, spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a mass of 6.00 g, and the gun and puck have a combined mass of 130 g. With the system initially at rest, the radio-controlled trigger releases the bullet, causing the puck and empty gun to move with a speed of 0.500 m/s. Of the total kinetic energy of the gun-puck-bullet system, what percentage is in
the bullet? a. 4% b. 98% c. 96% d. 23% e. 100%
The 21 cm line of hydrogen is strongly absorbed by interstellar dust
Indicate whether the statement is true or false
A hose has been clamped so that the area at the clamp is only one quarter the area of the rest of the hose. When we ignore the viscosity of water, the ratio of the speed of the water through the clamped area to the speed of the water when it leaves the hose is
A.
.B.
.C.
D.
E.