Automobile air bags reduce what during a collision?
A) speed of the automobile
B) the forces exerted upon the passenger
C) the kinetic energy transferred to the passenger
D) the impulse exerted upon the passenger
Question 2Simple harmonic motion is always sinusoidal.
Indicate whether the statement is true or false
Question 3Studies of multiplanet exoplanet systems have shown us that other planetary systems can sometimes differ from ours by
A) having their planets packed much closer to each other than our solar system's planets
B) exist in binary star systems
C) containing planets with much lower masses
D) two of these
Question 4The magnitude of a vector is 3.1 units and its x component is 0 units. What are the possible y components and respective angles with the x-axis of the vector?
What will be an ideal response?
Question 5The case of Mars tells us that which of the following is a critical factor in determining surface habitability?
A) planetary size
B) levels of geological activity
C) distance from the Sun
D) the presence of a magnetic field