The Sun is below us at midnight, nearly in line with the Earth's center. Are we then heavier at midnight, due to the Sun's gravitational force on us, than we are at noon? Explain.

Freud believed that dreams allow us to access the ___________.

What is the current US $\$ /$ Jamaican $$ $exchange rate?$$

Gauss's law can tell us how much charge is contained within a Gaussian surface. Can it tell us where inside the surface it is located? Explain.

What is a scatterplot and how does it help us?

Assume that the carrying capacity for the US population is 800 million. Use it and the fact that the population was 282 million in 2000 to formulate a logistic model for the US population.

Stellar system

$$Q_1$$

moves away from us at a speed of 0.700c. Stellar system

$$Q_2$$

, which lies in the same direction in space but is closer to us, moves away from us at speed 0.400c. What multiple of c gives the speed of

$$Q_2$$

as measured by an observer in the reference frame of

$$Q_1$$

?

Stellar system

$$Q_1$$

moves away from us at a speed of 0.800c. Stellar system

$$Q_2$$

, which lies in the same direction in space but is closer to us, moves away from us at speed 0.400c. What multiple of c gives the speed of

$$Q_2$$

as measured by an observer in the reference frame of

$$Q_1$$

?

What does $p$-value tell us?

Let G be annual US government purchases, T be annual US tax revenues, and Y be annual US output of all goods and services. All three quantities are given in dollars. Interpret the statements about the two derivatives, called fiscal policy multipliers. dY/dG=0.60

Describe how violence affects us.

Underline the correct pronoun in parentheses.

Example 1. ( $\underline{\text{We}}$, Us)* stargazers enjoy a trip to the observatory.

Janice’s father often takes (we, us) girls on trips.

What allows us to decode declarative memory?

Fill in the blanks: The commutative property allows us to change the_________ of the terms in a sum or the factors in a product. The associative property allows us to change the __________of the terms in a sum or the factors in a product.