Introduction to Physics Quiz

You invest $15,000 in a CD for 6 months with a 1.8% APY. How much interest will you earn?

• $134.397

• $300.457

• $310.877

• $250.978

You have $10,000 invested in stock ABC. It loses 4.2% of its value today. How much is your investment now worth?

• $9,580

• $4,500

• $4,800

• $4,700

What is the SI unit of mass?

• gram

• kilogram

• pound

What is the SI unit of energy?

• joule

• calorie

• watt

What is the difference between scalar and vector?

You have a rectangle with a length of 10 cm and a width of 4 cm. What is the area of the rectangle?

• 30 cm²

• 60 cm²

• 50 cm²

• 40 cm²

If a car travels 100 km in 2 hours, what is its average speed?

• 60 km/h

• 50 km/h

• 70 km/h

• 40 km/h

Monitoring Patient Temperature A nurse is monitoring a patient’s body temperature during recovery. The following data were recorded: Time (hr) Temperature (°C)

6 AM 36.7

8 AM 36.9

10 AM 37.2

12 PM 37.4

2 PM 37.6

Tasks (a) Plot a graph of temperature (°C) versus time (hr). Label your axes clearly.

(b) Estimate the patient’s temperature at 1 PM using your graph.

(c) Calculate the average rate of temperature change (slope) from 6 AM to 2 PM in °C per hour.

(d) Based on the graph’s trend, do you expect the patient’s temperature to keep increasing over the next 6 hours? Explain your reasoning.

Estimate the number of times a human heart beats during its lifetime.

The density of air is 2.5 x 10^-3 slugs/ft³.  Change the units to kg/m³ .