Most astronomers now believe the demise of the dinosaurs 65 million years ago was caused by a large asteroid impacting the Yucatan peninsula area
Indicate whether the statement is true or false
TRUE
You might also like to view...
A gas is allowed to expand at constant pressure as heat is added to it. This process is
A) isothermal. B) adiabatic. C) isobaric. D) isometric. E) isentropic.
A 1.50-H inductor is connected in series with a 200-? resistor through a 15.0-V dc power supply and a switch. If the switch is closed at t = 0 s, what is the energy stored by the inductor 20.0 ms after the switch is closed?
A) 0.910 mJ B) 1.83 mJ C) 3.65 mJ D) 7.31 mJ E) 5.48 mJ
What is hot dark matter?
A) a type of electron that moves more rapidly than ordinary electrons do. B) hypothetical heavy fundamental particles that interact with baryons only through gravity and the weak force. C) hypothetical low mass particles that travel close to the speed of light but do not emit radiation. D) a type of proton that moves more rapidly than ordinary protons do. E) a type of neutron that moves more rapidly than ordinary neutrons do.
How far apart should two protons be if the electrical force of repulsion on each one is equal to its weight on the earth? (k = 1/4??0 = 9.0 × 109 N ? m2/C2, e = 1.6 × 10-19 C, mproton = 1.67 × 10-27 kg)
What will be an ideal response?