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A motorcyclist heads due north at 20.0 m/s. At a fork in the road, she veers right, ending up with speed 16.0 m/s directed 30° east of north.
(a) Draw the initial and final velocity vectors for the motorcyclist; then draw the change-in-velocity vector.
(b) Find the change-in-velocity vector in component form.
(c) Find the magnitude and direction of the change-in-velocity vector.
Find the forces that act on each of the three charges. a) q = -1.0 µC in vector form b) q= 3 µC in vector form b) q =5 µC in vector.
An un-tethered block sits on a flatbed truck as it accelerates up an incline that makes an angle of 15° with respect to the horizontal. What is the coefficient of static friction between the truck and the block
Dinah is playing cards with her friends and it is her turn to deal. A card has a mass of 2.3 g and it slides 0.35 m along the table before it stops. If the coefficient of kinetic friction between the card and the table is 0.24 what was the init..
question1a truck is carrying a steel beam of length 17.0 m on a freeway. an accident causes a beam to be dumped off the
Two cars B and C approach car A in opp directions with a speed of 54 km/h each. At a certain instant, when the distance AB is equal to AC, both being 1km, B decides to overtake A before C does.
One of Einstein's postulates says that nothing travels faster than the speed of light in a vacuum, c, what limit does this place on the numerical value for n
What is the energy density. Find out the lowest frequency that permits standing waves in both strings with a node at the junction. The standing wave pattern in each string may have a different number of loops.
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
The rotational velocity of a merry-go-round increases at a constant rate from 0.6 rad/s, What is the rotational acceleration of the merry-go-round
At the same time, the stationary trumpeter played the same note. Ballot heard 3.0 beats per second. How fast was the train moving toward him.
A glass fiber of index 1.50 is used to transmit light but is submerged in water of index 1.33. What is the critical angle for light to stay inside the optical fiber
A group of hikers hears an echo 1.50 s after shouting. If the temperature is 24.0°C, how far away is the mountain that reflected the sound wave
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