Two identical springs of spring constant 7580 N/m are attached to a block of mass 0.245kg. What is the frequency of oscillation on the frictionless floor?

A bakery offers a sale price of $3.50 for 4 muffins. What is the price per dozen?

Display all the possible configurations for a $(2 \times 3)$ matrix that is in echelon form. [Hint: There are seven such configurations. Consider the various positions that can be occupied by one, two, or none of the symbols.]

How much work is done when you push a crate horizontally with $100 \mathrm{~N}$ across a 10-m factory floor?

Use the complement method to find complement and Net price. Round to the nearest cent.

At the county fair, the Baxter family bought 6 hot dogs and 4 juice drinks for $16.70. The Farley family bought 3 hot dogs and 4 juice drinks for$10.85. Find the price of a hot dog and the price of a juice drink.

Consider the statement , "The hot rock contains a lot of heat."

a. Is this an accurate statement?

b. What would be a better way to describe the hot rock?

How can you use line integrals to find the centers of mass of springs or wires? Explain.

Write electron configurations for thefollowing atoms and ions and comment on the result. F$^-$

Find the charateristic vibration frequences (normal frequences) and the characteristic modes of vibration for systems of masses and springs as in Figure 12.1 if the springs constants are $6k,~2k,~3k$ i.e. for the following array:

$$6k,~m,~2k,~m,~3k.$$

Trey locked his keys in his house again and desperately needs to get his term paper from his desk on the second floor of his house. He grabs a 25-foot ladder and leans it 63 degrees against the house to the bottom of the second floor window. How high is the window from the ground?

When a 100-N force acts horizontally on an 8.0-kg chair, the chair moves at constant speed across a level floor. Which statement has to be true? (A) The chair accelerates at 12.5 m/s$^{2}$. (B) The applied force is greater than the friction force. (C) The friction force is 100 N. (D) There is no friction between the floor and chair.

Two friends rent a two-bedroom apartment for $\$ 1040$ per month. One of the bedrooms has 50 square feet more floor space than the other. They decide to split the rent based on bedroom sizes. They will each pay $\$ 3.25$ per square foot of bedroom floor area. Determine the area of each bedroom.

Which is more likely to cause damage to a wooden floor: A 1068-N (240-pound) basketball player in athletic shoes (floorcontact area= 420 $cm^2$ ) or a 534-N (120-pound) sports reporter standing in high heels (floor-contact area= 24 $cm^2$). Support your answer with suitable pressure calculations.