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A canoeist can paddle a maximum speed of 6.4 m/s in still water. The canoeist starts on the north shore of the river and attempts to paddle to the south shore 225m away, the river is flowing 2.45m/s [E]. the canoeist always remains at a right angle to the north shore.
Determine the resultant velocity of the canoeist, relative to the shore.
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 29m/s, the block hangs vertically down. But when the van maintainsthis same speed around an unbanked curve (radius = 165 m), the block swings..
find the required angular speed revmin of an ultra-centrifuge for the radial acceleration of a point 2.50cm from the
a uniform line charge that has a linear charge density 4.7 ncm is on the x axis between x 0 to x 5.0 m.a what is its
Steel ball of 300 g is attached to a 85cm fixed at one end and is released with cord horizontal. At bottom of its path it hits a 3.5 kg steel block at rest. Elastic and no friction. Find the hight the ball rebounds.
A 9150kg railroad car travels alone on a level frictionless track with a constant speed of 13.0m/s . A 4100kg load, initially at rest, is dropped onto the car.
Two blocks connected by a rope of negligible mass are being dragged by a horizontal force. Suppose F = 65.0 N, m1 = 10.0 kg, m2 = 26.0 kg, evaluate the acceleration of the system
q1. mary is driving her car at 48 kmh. she approaches an intersection just as the traffic light turns yellow. the
A particular vacuum flask has a mass of 1 kilogram and contains 1 liter of liquid water, what is the speed of the empty flask, Assume its initial velocity is zero
You apply a constant force F? =(?68.0N)i^+(36.0N)j^ to a 400kg car as the car travels 47.0m in a direction, How much work does the force you apply do on the car
Two men pushing a stalled car generate a net force of +690Nfor 6.6 sec. What is the final momentum of the car
A diverging lens have a focal length of -10 cm. A 3-cm object is placed 25 cm to the right of the lens. What is the magnification of the image
A 55.1-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Determine the force exerted by the horizontal rope on her arms
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