Approximately how many times does an average human heart beat in a lifetime?
A) 3 × 1011
B) 3 × 1010
C) 3 × 109
D) 3 × 108
E) 4 × 107
C
You might also like to view...
Why are neutrinos so difficult to detect?
A) because there are so rare B) because they have no mass C) because they move at nearly the speed of light D) because they rarely interact with matter E) because they are so small
A flat circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T. Find the magnetic flux through the loop when the plane of the loop and the magnetic field vector are at an angle of 30°
A) 0 T ? m2 B) 3.1 × 10-3 T ? m2 C) 5.5 × 10-3 T ? m2 D) 6.3 × 10-3 T ? m2
Light spreads out when it passes through a narrow slit because of
a. interference b. diffraction c. specular reflection d. diffuse reflection e. polarization
Process of Science: Think of some ways in which you can demonstrate the following by simply looking at the sky: a) the Sun and stars lie beyond the Earth's atmosphere b) the stars are further away than the Moon
What will be an ideal response?