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.
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 .
Physics Vectors Level: High School
If the magnitude of the product A x B is equal to the AB , thena) 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 .
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 .
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 ?
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 ?
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 ?
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 .
Physics Vectors Level: High School
Which of the following quantity is a vector ?Distance
Mass
Force
Speed
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
Physics Vectors Level: High School
A force of magnitude 24 N makes an angle of 225 degree with the positive x axis . Find the x and y scalar components of the vector .-12 N , -12 N
24 N , 24 N
-24 N , 24 N
-24 N , -24 N
Physics Vectors Level: High School
A 5.50 kg penguin runs onto a huge sheet of frictionless Antarctic ice . At t = 0 and y = 0 with an initial velocity of 0.37 m/s along the positive x-axis . It slides while being pushed by the wind with a force of 0.53 N directed along the positive y-axis . Calculate the magnitude of the penguin’s velocity at t = 11.69 s .a) 1.19 m/s
b) 1.48 m/s
c) 1.85 m/s
d) 2.32 m/s
e) 2.89 m/s
Physics Vectors Level: High School
Vector A is 3.1 m north , and vector B is 3.1 m east . Vector A-B is ?a) zero
b) 4.4 m at 45 degrees south of east
c) 4.4 m at 45 degrees south of west
d) 4.4 m at 45 degrees north of west
e) 4.4 m at 45 degrees north of east
Physics Vectors Level: High School
Resolution of Vector
A box sits on the ground with a rope attached to it . A child pulls on the rope with a force of 20 Newton’s, at an angle of 20 degrees above the horizontal. Determine the magnitude of the x and y components of the force .
Physics Vectors Level: High School
Resolution of Vector
A box is pulled up a 30 degree ramp , when it has moved 2 meters along the incline , what distance x has it moved in the horizontal direction , and what is its distance y above the horizontal ground ?