If A = (12i - 16j) and B = (-24i+10j), what is the magnitude of the vector C=(2A-B)?
Answers:
a) 42
b) 22
c) 64
d) 90
An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal. What is the height of the arrow at a point 150 meters downrange?
Answers:
a) 4.7 m
b) 47.0 m
c) 5.6 m
d) 56.0 m
Thank you.
Solution Summary
This solution is provided in 124 words in an attached .doc file. It uses simple calculation to find the magnitude of a vector and uses a diagram to as well as calculations to find height.
... d) calculate the gravitational potential energy assuming that the mass ...Vector V2 is 2.84 units long and points at 45 ... What is the magnitude of the sum of these ...
... e. Calculate the magnitude of all the forces identified ... b. Calculate the value Vmax of this maximum speed. This maximum velocity can be calculated by using the ...
...Calculate height y from this data, using equation v 2 = u ... sinθ = 96.6 ft /s And as calculated above ... Hence the magnitude of the resultant acceleration is given ...
... The displacement vector D and its components are the blue arrows. The magnitude of the vector is: ... We can calculate analytically the vector D (the ...
... The contact forces between the blocks were already calculated before ... the block and the floor is 0.20, calculate the acceleration ... Be careful when calculating the. ...
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... It contains a volume of 100 m3 of air at 300 K. Calculate the energy required to increase the temperature of this diatomic ... The magnitude of a vector is the ...
... momentum L = rxp = rxmv = m (rxv) r is the position vector. ... v and d , find an expression for the magnitude L of ... if the point about which L is calculated is not ...
... at least one of them can be calculated. ... 7. Multiplying two matrices consists of calculating several dot ... To test your intuition, calculate the following matrix ...
... Use graphical techniques. 6. The magnitude of vector A is 35.0 units and points in the direction 325 ...Calculate the x- and y-components of this vector. ...
