The Murchison meteorite, a carbonaceous chondrite, contained many of the amino acids needed by living things on Earth
Indicate whether the statement is true or false
TRUE
You might also like to view...
The nucleus that has the greatest mass per nucleon is
A) hydrogen. B) iron. C) lead. D) uranium. E) plutonium.
Even when the temperature of a pan of water is below the boiling point, some water still evaporates. This is because
a. of convection. b. the kinetic energies of individual water molecules vary above and below the average value. c. the humidity always increases. d. none of the above
A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is open and at rest. A small 500-g ball is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side
The ball rebounds with a speed of 16.0 m/s along the same line. What is the angular speed of the door just after the collision with the ball? A) 0.127 rad/s B) 0.925 rad/s C) 1.14 rad/s D) 2.28 rad/s E) 4.57 rad/s
Which of these represents an example of simple harmonic motion?
(i) a bouncing ball (ii) a marble rolling back and forth in a concave bowl (iii) a tree branch vibrating (iv) someone walking back and forth across a room, dozens of times
1.all of them 2.(i) and (iv) 3.(ii) and (iii) 4.(i) and (iii)