Which of the following is a reason for the start of the space race?

too many scientists were unemployed.
congress was very interested in outer space.
the u. s. president was a science fiction fan.
the united states wanted to beat the soviet union to the moon.

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.

Resistivity of a material is the resistance of a cm long sample of the material of 1 cm2 cross-sectional area.

Which form of pure carbon is so hard that it can be used in cutting tools?