How can the properties of the Sun affect conditions and events on Earth? [mark all correct answers) D a. When the Sun's orbit changes, seasons on the Earth change b. Solar flares or coronal mass ejection release streams of highly energetic particles that make up the solar wind. c. Solar flares can disturb radio, satellite , and cell phone communications. d. Solar wind can electrocute spacecraft and astronauts.

Which of the following could cause you to lose traction on the road? (Select All That Apply) new tires leaves snow ice

Fill in the Blank Question The image formed by a plane mirror is reversed from left to right, unmagnified, and square

How can you tell where one sphere ends and the next one begins? You find the exact point where they meet. You calculate which sphere is more involved. There are no hard rules, and often spheres overlap. You look it up in a textbook.

If it takes a planet 2.8times 10^8 s to orbit a star with a mass of 6.2times 10^30 kg, what is the average distance between the planet and the star? 1.43times 10^9 m 9.36times 10^11 m 5.42times 10^13 m 9.06times 10^17 m

A planet's average distance from the sun is equal to the: Major axis None of these answers is correct. Semimajor axis Distance between the foci of an ellipse Diameter of the ellipse

The strongest force causing tides on Earth is the __ Sun's gravitational pull Moon's gravitational pull Electromagnetic attractior between Earth and Sun Gravitational attraction between ocean waters and the continents on Earth

18. At what speed should we fly our final approach (coming in to land) in a 1727 Answer:

A 60.0 kg object is moving east at 8.00m/s and then slows down to 4.00m/s How much work was done? -1,440 J -480 1,440J 2,880J

A fish looking straight upward spots a berry on a tree branch above the surface of a pond. The fish is at rest 15 cm below the surface.while the berry is positioned 1.5 m above the surface. The index of refraction of water is 1.33. How far away does the berry appear to be from the fish's perspective? Multiple Choice 165 m 15 m 215 m 20m

Hot Questions

Saturn is made up of which gases? a Hydrogen b Helium Both A and B d None of the above

A quantum of radiatior has an energy of 2.0 keV. What is its frequency? $(h=6.63x$ $10^{-34}J\cdot s$ and $1eV=1.60\times 10^{-19}J)$ 1) $3.2\times 10^{17}Hz$ 2) $4.8\times 10^{17}Hz$ 3) $6.3\times 10^{17}Hz$ 4) $7.3\times 10^{17}Hz$ 5) $8.5\times 10^{17}Hz$

Inside a freely-falling elevator you would have no weight. gravitational force on you. both of these none of the above

Which of the following does not involve a change of state? A sublimation of dry ice B freezing water C pouring water into a vacuum-insulated bottle D melting ice

Shown below is the decay equation for ${}^{14}C$ Given this equation, what type of decay does an unstable ${}^{14}C$ nucleus undergo? ${}_{6}^{14}C\rightarrow _{5}^{14}N+_{-1}^{0}e$ a) Gamma Decay b) Beta Decay c) Positron Emission d) Alpha Decay e) Electron Capture f) This question is written incorrectly. Choose this for full points and I also assigned an additional try.

Ultraviolet light or sunlight has no effect on nylon slings. True False

Inside a freely-falling elevator your acceleration is zero. weight is zero. gravitational I interaction with Earth is zero. all the above none of the above

How many joules are needed to change the temperature of 1 g of water by $1^{\circ }C$ Express your answer with the appropriate units.

64. Food probe thermometers that display both Fahrenheit and Celsius scales must have an accuracy of $\pm 0.9^{\circ }F(\pm 0.5^{\circ }C)$ $\pm 1.8^{\circ }F(\pm 1^{\circ }C)$ $\pm 2.7^{\circ }F(\pm 1.5^{\circ }C)$ $\pm 3.6^{\circ }F(\pm 2^{\circ }C)$

A golf ball is struck across a flat fairway at an angle of $60^{\circ }$ with an initial speed of $135ft/s$ a.). Write a set of parametric equations for the motion of the golf ball. b.). Determine how long the golf ball was in the air. c.). Determine how far the golf ball traveled in the air. Show all work. Use the Equation Editor. $x=v_{0}cos(\Theta )t$ Recall, $y=-\frac {1}{2}(g)t^{2}+v_{0}sin(\Theta )t+h$ $g=32ft/sec/sec$