Regents Physics Intro to Physics Questions Review

A round dinner plate has a diameter closest to

• 2 × 10-² m

• 2 × 10-¹ m

• 2 × 10⁰ m

• 2 × 10¹ m

The height of an individual step on a staircase is closest to

• 2.0 × 10-² m

• 2.0 × 10-¹ m

• 2.0 × 10⁰ m

• 2.0 × 10¹ m

The height of a typical kitchen table is approximately

• 10-²m

• 10⁰ m

• 10¹ m

• 10²m

Which measurement is closest to 1 ×10-² meter?

• diameter of an atom

• width of a student's finger

• length of a football field

• height of a schoolteacher

An airplane traveling north at 220. meters per second encounters a 50.0-meters-per-second crosswind from west to east, as represented in the diagram below. 50.0 m/s 220. m/s What is the resultant speed of the plane?

• 170. m/s

• 214 m/s

• 226 m/s

• 270. m/s

The height of a 30-story building is approximately

• 10⁰ m

• 10¹ m

• 10² m

• 10³ m

Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?

• 0°

• 45°

• 90.⁰

• 180.⁰

A motorboat, which has a speed of 5.0 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat's resultant velocity with respect to the starting point?

• 3.3 m/s

• 5.0 m/s

• 6.0 m/s

• 8.3 m/s

A dog walks 8.0 meters due north and then 6.0 meters due east. Which vector correctly represents the resultant that equals the dog's total displacement?

• 
• 
• 
• 

An airplane flies with a velocity of 750. kilometers per hour, 30.0° south of east. What is the magnitude of the eastward component of the plane's velocity?

• 866 km/h

• 650. km/h

• 433 km/h

• 375 km/h