What do the differences between planets , moons, and small solar system bodies (like asteroids and comets) tell us about the history and structure of our solar system? Choose one type of object and explain what makes it unique.
How far from the Earth is the nearest star? 1 light year. 1 astronomical unit. 10 light years. 1 parsec.
Which physical state has the strongest forces of attraction between its particles? square
Windmills convert energy in wind to electricity. Describe how thermal radiation is connected to the creation of the wind needed to power these windmills. square
What is an example of rotary motion? Blowing up a balloon Running in a straight line Bouncing a basketball The wheels of a skateboard rolling
Processed meteorites are meteorites that have been altered in a lab for study. came from a parent body that was large enough to develop a core and mantle. are typically older than primitive meteorites All of the above
What is the missing product of the following Fusion reaction? 2_(6)^12Carrow _(2)^4He+ __ (}_{10)^20Ne (}_{11)^21Na (}_{11)^20Na (}_{10)^21Ne
The maximum allowable free-fall distance is __ CHOOSE AN OPTION BELOW 2 feet (0.6 meters) 6 feet (1.8 meters) 8 feet (2.4 meters) 16 feet (4.6 meters)
Which of the following statements correctly describes how ionizing radiation works? Ionizing radiation makes the cell more susceptible to the effects of chemotherapy. Ionizing radiation damages the DNA of tissues exposed to it. Ionizing radiation kills the cell Ionizing radiation prevents the cell from multiplying Ionizing radiation weakens the cell making it susceptible to phagocytosis.
To recover from hydroplaning, you should: apply gradual pressure to brakes gently steer in the opposite direction of where you want to go jerk your steering wheel in the opposite direction of where you want to go slam on your brakes
1. Choose the correct statement or equation. When a wave in a string reflects from an open or flexible end, the reflected wave has the same wavelength and amplitude as the original wave. When a wave in a string reflects from a fixed end, the reflected wave has the same wavelength and amplitude as the original wave.
In what ways are meteorites different from meteors? What is the probable origin of each? Meteors typically come from comets that have passed through the solar system; their solid material is freed when the ice is vaporized by the heat of the Sun. Meteorites miss the atmosphere whereas meteors hit the outer layers only. Most meteors come from Mars and carry important information about the past of the red planet. Meteorites are large enough to withstand the violent passage through Earth's atmosphere, whereas meteors burn up from the heat of friction. Most meteorites, on the other hand, are from asteroids or from debris kicked up on the Moon or Mars during an impact.
If a rock is dropped from a height of 87 ft, its poistion t seconds after it is dropped until it hits the ground is given by the function $s(t)=-16t^{2}+87$ Round values below to 3 decimal places. How long does it take the rock to hit the ground? $\square $ seconds Find the average velocity of the rock from when it is released until when it hits the ground. $\square $ feet per second What time after the rock is thrown will its instantaneous velocity be equal to its average velocity? (Apply the Mean Value Theorem) $\square $ seconds after it is thrown
The bending or change in angle of light as it passes through a lens is called $\square $
Photons of a certain infrared light have an energy of $1.91\times 10^{-19}J$ (a) What is the frequency of this IR light? $\square $ Hz (b) Use $\lambda =c/f$ to calculate its wavelength in nanometers. $\square $ nm
The outer planets of the solar system were formed by asteroid agglomeration comet collisions gravitational forces temperature increases
Multiple Choice 2 points Step 3 of Part 2: The flashlight is shining to an azimuth of 225 degrees. What is the azimuth of the shadow? 0 degrees 45 degrees 90 degrees 180 degrees
1) The height of the Washington Monument is measured to be 170 m on a day when the temperature is $35.0^{\circ }C$ What will its height be on a day when the temperature falls to $-10.0^{\circ }C$ Although the monument is made of limestone, assume that its thermal coefficient of expansion is the same as marble's.
A point is subjected to 5 ksi biaxial tension. The diameter of the corresponding Mohr's circle is most nearly: O 5 ksi 7.07 ksi 10 ksi
A ball is thrown vertically upward. After r seconds, it's height him feet) is given by the function $h(t)=40t-16t^{2}$ After how long will It reach its maximum height? Do not round your answer. Time: $\square $ seconds
