Two stars have the same spectral type. Star X is in luminosity class III, while Star Y is in luminosity class V. Star X must be larger in radius than Star Y
Indicate whether the statement is true or false
TRUE
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A pickup truck is moving at 25 m/s with a toolbox of mass m resting on the bed of the truck 2.5 m behind the cab. Suddenly the brakes are applied, causing the toolbox to slide, and the truck comes to a stop in 4.7 s
The coefficient of kinetic friction between the toolbox and the bed of the truck is 0.28. After the brakes are applied, how much time elapses before the toolbox strikes the cab? What will be an ideal response?
What important change in the Sun over the past four billion years is thought to be very important to understanding the climates of Venus, Earth, and Mars?
A) a gradual weakening of the solar wind with time B) a gradual dimming with time C) a gradual brightening with time D) a gradual reduction in the amount of ultraviolet and X-ray radiation coming from the Sun
A resistor, inductor and capacitor are connected in series, each with effective (rms) voltage of 80.0 V, 160 V, and 84.0 V, respectively. If the resistor is rated at 15.0 ?, what is the average power dissipated in the circuit?
a. 812 W b. 427 W c. 309 W d. 589 W e. 559 W
Discovered in the 1990s, the ________ is a vaster, darker version of the more famed asteroid belt between Mars and Jupiter
Fill in the blank(s) with correct word