FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 1: Introduction and Mathematical Concepts

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 21

Multiple Choice

Review LaterAdd Note

Review Later

The mass of a raindrop is 4 milligrams.Which one of the following statements indicates the correct mass of the raindrop in grams?

A) The raindrop has a mass of 4 × 10⁶ grams.
B) The raindrop has a mass of 4 × 10^-3 grams.
C) The raindrop has a mass of 4 × 10^-1 grams.
D) The raindrop has a mass of 4 × 10³ grams.
E) The raindrop has a mass of 4 × 10^-6 grams.

Correct Answer

verified

Show Answer

Question 22

Multiple Choice

Review LaterAdd Note

Review Later

A bug crawls 2.25 m along the base of a wall.Upon reaching a corner, the bug's direction of travel changes from south to west.The bug then crawls 3.15 m before stopping.What is the magnitude of the bug's displacement?

A) 5.40 m
B) 2.72 m
C) 3.87 m
D) 4.11 m
E) 3.29 m

Correct Answer

verified

Show Answer

Question 23

Multiple Choice

Review LaterAdd Note

In the sport of horseshoe pitching, two stakes are 40.0 feet apart.What is the distance in meters between the two stakes?

The length of each side of a square is 4.0 m.What is the length of the diagonal of the square (shown as a dashed line in the figure) ?

Use the component method of vector addition to find the resultant of the following three vectors: = 56 km, east = 11 km, 22° south of east = 88 km, 44° west of south

The mathematical relationship between three physical quantities is given by .If the dimension of b is; and the dimension of c is [L].Which one of the following choices is the dimension of a?

Which one of the following choices is a vector quantity?

An escaped convict runs 1.70 km due east of the prison.He then runs due north to a friend's house.If the magnitude of the convict's total displacement vector is 2.50 km, what is the direction of his total displacement vector with respect to due east?

Complete the following statement: The ratio is equal to

Which one of the following choices is equivalent to 152 m?

Town A lies 20 km north of town B.Town C lies 13 km west of town A.A small plane flies directly from town B to town C.What is the displacement of the plane?

A certain mountain road is inclined 3.1° with respect to the horizon.What is the change in altitude of the car as a result of its traveling 2.90 km along the road?

A certain physical quantity, R, is calculated using the formula: R = 4a²(b - c) where a, b, and c are distances.What is the SI unit for R?

A 3.0-m ladder leans against a wall and makes an angle with the wall of 28° as shown in the drawing.What is the height h above the ground where the ladder makes contact with the wall?

What is the minimum number of vectors with equal magnitudes whose vector sum can be zero?

A race car will make one lap around a circular track of radius R.When the car has traveled halfway around the track, what is the magnitude of the car's displacement from the starting point?

Complete the following statement: Today, the standard unit of mass is defined in terms of

City A lies 30 km directly south of city B.A bus, beginning at city A travels 50 km at 37° north of east to reach city C.How far and in what direction must the bus go from city C to reach city B?

Determine the magnitude of the vector difference, - .

1-3 A boat radioed a distress call to a Coast Guard station.At the time of the call, a vector A from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north.A vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. -What are the components of the vector from the point where the distress call was made to the point where the boat was found? In other words, what are the components of vector = - ? x component y component