Physics Midterm Review 1

If 0.00075 is expressed in the form of 6.3x10^n, what is the value of n?

• 4

• 6

• -4

• -6

What type of function is graphed below?

• linear

• quadratic

• exponential

• absolute value

A vector is a quantity that has

• magnitude, only

• direction, only

• either magnitude or direction

• both magnitude and direction

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

The length of the hypotenuse of a right triangle is 20 centimeters and the length of one leg is 12 centimeters. The length of the other leg is

• 8 cm

• 16 cm

• 32 cm

What is 4.25 cm/min in standard units?

• 7.08x10^-4m/s

• 7.08x10^-4mi/hr

• 7.08x10⁴m/s

• 7.08x10^-6m/s

The accompanying vector represents the resultant of two forces acting concurrently on an object at point P. Which pair of vectors best represents two concurrent forces that combine to produce this resultant vector?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

As a cart travels around a horizontal circular track, the cart must undergo a change in

• velocity

• inertia

• speed

• weight

Tags

NGSS.MS-PS2-2

A car travels 12 kilometers due north and then 8 kilometers due west going from town A to town B. What is the magnitude of the displacement of a helicopter that flies in a straight line from town A to town B?

• 20 km

• 14 km

• 10 km

• 4 km

The accompanying map shows the rout traveled by a school bus. What is the magnitude of the total displacement of the school bus from the start to the end of its trip?

• 400 m

• 800 m

• 1,800 m

• 500 m