Which of the following is an aroused motivational state created by a physiological need? a. Drive. b. Instinct. c. Incentive. d. Reflex. e. Motive.

If 4J of work are needed to stretch a spring from 10cm to 12cm and another 20J are needed to stretch it from 12cm to 14cm, what is the natural length of the spring?

A 1 -m spring requires 10 J to stretch the spring to 1.1 m. How much work would it take to stretch the spring from 1 m to 1.2 m?

Explain how to translate, reflect, stretch, and compress the graph of

$$f ( x ) = b ^ { x }$$

An exercise spring has a spring constant of $315 \mathrm{~N} / \mathrm{m}$.

a) How much work is required to stretch the spring $30 \mathrm{~cm}$?

b) What force is needed to stretch the spring $30 \mathrm{~cm}$?

A spring has a natural length of 10 cm. It takes 2 J to stretch the spring to 15 cm. How much work would it take to stretch the spring from 15 cm to 20 cm?

On average, there are 12 potholes per mile on a particular stretch of the state highway. Suppose the potholes are distributed evenly on the highway.

a. Find the probability of finding fewer than two potholes in a quarter-mile stretch of the highway.

b. Find the probability of finding more than one pothole in a quarter-mile stretch of the highway.

Draw a model that shows how the energy that a newt expends in its Unken reflex ultimately came from the Sun.

What units are typically used to express the rate of a reaction?

$f(x)=-2 x+0.5$; horizontal stretch by a factor of $\frac{4}{3}$.

What happens to a spring's force as you stretch it a greater amount?

A force of $4.1 \mathrm{~N}$ is required to stretch a certain spring by $1.4 \mathrm{~cm}$.How much stretch is required for the spring potential energy to be $0.080 \mathrm{~J}$ ?

The force F required to stretch a spring varies directly with the amount the spring is stretched s. Eight pounds is needed to stretch a spring 8 inches. a. Write a direct variation equation that relates F and s. b. How much force is required to stretch a spring 25 inches?

A force of $20\text{ N}$ is required to stretch a spring $3\text{ cm}$ beyond its natural length of $24\text{ cm}$. Find the work required to stretch the spring from $30$ to $35\text{ cm}$.