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Questions and answers by
Samuel Getachew
Questions (30)
What is the unit vector in the direction of vector
P=2i+3j-5k.
1 answer
72 views
Vector A has components Ax=4,Ay=3,Az=-5.
A, express A in terms of unit vector. B, find the magnitude of A.
1 answer
108 views
For vector A(40km north),we can choose a scale of 1cm=10km.
So,we will draw an arrow 4cm long pointing up wards to represent
1 answer
110 views
Discuss the different types of vector.
1 answer
80 views
Choose your own scale and draw arrows to represent the following vector:
A)A=40km north B)B=32m/s making an angle 60° with the
1 answer
366 views
Given an example of a vector stating its magnitude, units and direction.
1 answer
58 views
What is the unit vector in the direction of vector
P=2i+3j-5k
1 answer
65 views
The head of vector A is at the coordinate (3,4,9) and its tail is at (-2,3,5) write the vector.
1 answer
105 views
How do banks make money from their customers?
1 answer
150 views
Where do people who do not have bank accounts keep these things
1 answer
145 views
What is a bank
1 answer
143 views
What is credit card?
1 answer
117 views
What is statement?
1 answer
102 views
What is to honour a cheque?
1 answer
145 views
What is savings or deposit account?
1 answer
109 views
What is current account?
1 answer
117 views
How do banks make money from their customers?
1 answer
123 views
What benefits do customers get from a bank?
1 answer
125 views
Where do people who don not have bank accounts keep these things?
1 answer
131 views
What do customers keep in a bank?
1 answer
168 views
Determine the mechanical energy of a bird of mass 200g flying at 12m/s at a height of 50m above the ground.
1 answer
128 views
calculate the energy stored in a spring when it compressed 5 mm by a 60 N force.
1 answer
101 views
the height of the wooden block if it were to have a gravitational potential energy of 300J.
1 answer
100 views
Determine the mechanical energy of a bird of mass 200g flying at 12m/s at a height of 50m above the ground
1 answer
190 views
If the static friction between wood and concrete is 0.62 determine the force required the to make a wooden block of mass 2kg
1 answer
130 views
Sketch two forces vs.extension graphs, one for a stiff spring the other for a much weaker spring.
1 answer
146 views
Sketch two forces vs.extension graphs,one for a stiff spring the other for a much weaker spring.
0 answers
136 views
Shows values of the displacement and velocity of a falling object. Copy and complete the table, and use it to draw displacement
1 answer
160 views
Shows how the velocity of four cars
Changed as they travelled along a straight road.Give reasons for your answers to these
1 answer
276 views
Shows how the velocity of four cars
Changed as they travelled along a straight road.Give reaseons for your answeres to these
1 answer
189 views
Answers (1)
Sketch two forces vs.extension graphs, one for a stiff spring the other for a much weaker spring.
