The radio signals from Earth are greater than those from the Sun
Indicate whether the statement is true or false
TRUE
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Oort-cloud comets are so far from the Sun that the gravity of neighboring stars can alter their orbits
Indicate whether the statement is true or false
Snell's Law: As shown in the figure, a laser positioned on a ship is used to communicate with a small research submarine resting on the bottom of a lake. The laser is positioned 12 m above the surface of the water, and it strikes the water 20 m from the side of the ship. The water is 58 m deep and has an index of refraction of 1.33. How far horizontally is the submarine from the side of the ship? (Assume all numbers are accurate to three significant figures.)
A. 69 m B. 49 m C. 89 m D. 59 m E. 79 m
Venus's tectonic processes seem to be vertical rather than horizontal
a. True b. False Indicate whether the statement is true or false
Impulse: A golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is initially at rest on the tee. The club is in contact with the ball for 1.8 ms. What is the speed of the golf ball just as it leaves the tee?
A. 30 m/s B. 35 m/s C. 40 m/s D. 45 m/s E. 50 m/s