Why is buying the correct size for an infant or child often difficult?

Passengers in an auto traveling at 16.0 m/s toward the east hear a siren frequency of 950 Hz from an emergency vehicle approaching them from behind at a speed (relative to the air and ground) of 40.0 m/s The speed of sound in air is 340m/s. What frequency do the passengers in the auto hear after the emergency vehicle passes them?

Determine how far the vehicle travels in 3 hours.

• A helicopter travels 240 miles every 2 hours.

The quadratic equation y = 0.0056x^2 + 0.14x represents a vehicle's stopping distance as a function of the vehicle's speed in kilometers per hour. a. Find the stopping distance for a vehicle traveling 100 km/h. b. Write an equation to find the speed of a vehicle that took 50 m to stop. Use a calculator graph or table to solve the equation.

How have changes in shopping options affected clothes buying?

Name four design features that help promote self-dressing in preschoolers.

Repeat Previous Problem for a front-wheel-driven vehicle.

Why is ease of cleaning particularly important in children's clothing?

What are some advantages and disadvantages of buying a franchise?

A $2800,\text{kg}$ space vehicle, initially at rest, falls vertically from a height of $3300 \mathrm{~km}$ above the Earth's surface. Find how much work is done by the force of gravity in bringing the vehicle to the Earth's surface.

For the following exercise,

Use the Law of Cosines to solve for the missing angle of the oblique triangle. Round to the nearest tenth.

$a=14, b=13, c=20$; find angle $C$.

Must a clothing gift be expensive to be appreciated? Explain.

What is an automated guided vehicle system $(AGVS$)?

How can you get ideas for clothing gifts for a particular person?