4502

Physics Vectors Level: Misc Level

A boat, whose speed in still water is 2.24 m/s, must cross a W = 260 m wide river and arrive at a point D = 110 m upstream from where it starts. To do so, the pilot must head the boat at a 0 =45.8 degrees upstream angle. What is the speed of the river's current?


4378

Physics Vectors Level: Misc Level

Vector A has a magnitude of 25 units and vector B has a magnitude of 15 units. What is the minimum and maximum magnitude of a vector A +B ?


4274

Physics Vectors Level: Misc Level

A vector has an x - component of - 25.0 units and a y- component of 40.0 units. Find the magnitude and direction of the vector.


4273

Physics Vectors Level: Misc Level

A person walks 25.0 degrees north of east for 3.10 km. How far would the person walk due north and due east to arrive at the same location?


4272

Physics Vectors Level: Misc Level

An airplane flies 200 km due west from city A to city B and then 300 km in the direction of 30.0 degrees north of west from city B to city C. a. in straght -line distance, how far is city C from city A? b. Relative to city A, in what direction is city C?


4249

Physics Vectors Level: Misc Level

If the magnitude of the product A x B is equal to the AB, then

A. vectors A and B cannot be in the same plane.

b.vectors A and B must be parallel and point in the same direction.

C.vectors A and B must be parallel but point in opposite directions.

D. vectors A and B must be at right angles.


3548

Physics Vectors Level: University

Three vectors A B and C together to yield zero: A + B + C  = 0. The vectors A and C point in opposite directions and their magnitudes are related by the expression: A = 2c. Which one of the following conclusions is current?
a. A and B have equal magnitudes and point in opposite directions
b. B and C have equal magnitudes and point in same direction.
c. B and C have equal magnitudes and point in opposite directions.
d. A and B point in the same direction but C has twice the magnitude of B.
e. B and C point in the same direction but C has twice the magnitude of B .

3386

Physics Vectors Level: High School

If the magnitude of the product A x B is equal to the AB , then

a) Vector A and B cannot be in the same plane .

b) Vector A and B must be parallel and point in the same direction .

c) Vector A and B must be parallel but point in opposite directions .

d) vector A and B must be at right angles .


3378

Physics Vectors Level: High School

A vector has an x-component of -25.0 units and a y-component of 40.0 units . Find the magnitude and direction of the vector .

3377

Physics Vectors Level: High School

A person walks 25.0 degrees north of east for 3.10 km . How far would the person walk due north and due east to arrive at the same location ?

3376

Physics Vectors Level: High School

An airplane flies 200 km due west from city A to city B and then B then 300 km in the direction of 30.0 degrees north of west from city B to city C .

a) In straight-line distance ,how far is city C from city A ?

b) Relative to city A , what direction is city C ?


2989

Physics Vectors Level: High School

Pascal’s Law

In a hydraulic lift , the radii of the pistons are 2.98 cm and 10.8 cm. A car weighing W = 8.5 kN is to be lifted by the force of the large piston .

a) What force Fa must be applied to the small piston ?

b) When the small piston is pushed in by 9.8 cm, how far is the car lifted ?


2837

Physics Vectors Level: High School

Vector

Find the scalar product of the vectors in figure at “click here” , where theta = 121 degree and F = 33.5 N .

2669

Physics Vectors Level: High School

Which of the following quantity is a vector ?

Distance

Mass

Force

Speed

Force

2663

Physics Vectors Level: High School

Three vectors A , B , C are such that A + B = C and A2 + B2 = C2 . Which of the following statement is correct .

A and B are equal in magnitude

A and B are parallel

A is perpendicular to B

None of the listed

A is perpendicular to B

Displaying 1-15 of 59 results.