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A fish swimming in a horizontal plane has velocity (4.00i + 1.00j) m/s at a point in the ocean where the position relative to a certain rock is r (initial)=(10.0i - 4.00j)m. After the fish swims for 20.0 s, its velocity is v=(20.0i - 5.00j) m/s. 1)What are the components of acceleration? 2) What is the direction of acceleration with respecting to the unit vector i? 3) If the fish maintains constant acceleration, where is it at t=25.0 s, and in what direction is it moving?
two point charges -2q and 3q are on the x-axis -2q at the origin and 3q at x d. choose the potential to equal zero at
a film of oil lies on wet pavement. the refractive index of the oil exceeds that of the water. the film has the minimum
An airplane is flying with a velocity of 87.0m/s at an angle of 20.0 degrees above the horizontal. How far from the dog will the suitcase land
A uniform horizontal beam 5.00 m long and weighing 320 N is attached to a wall by a pin connection tht allows the beam to rotate. How far out on the beam can the person stand without breaking the cable
The interior of a refrigerator has a volume of 0.600 m3. The temperature inside the refrigerator in 282 K, what is the mass of air inside the refrigerator
question1a photographer in a helicopter ascending vertically at a constant rate of 12.5 ms accidentally drops a camera
Two fixed point charges are located along the x axis. A +8.5uC charge is placed at x=+3 cm and a -21uC is placed at x=9.0 cm.
A conducting sphere of radius 0.26 m has a potential of 240 V (with V = 0 at infinity). What is the charge density on its surface
q1. a 2.60- metal bar 1.50 long and having a resistance of 10.0 rests horizontally on conducting wires connecting it to
An object-spring system oscillates with an amplitude of 3.4 cm. If the spring constant is 210 N/m and object has a mass of 0.50 kg, obtain the maximum acceleration of the object
Description of Physics - Mechanics - Force, A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3.00 m
The coefficient of static friction between the tires of amotorcycle and the road is 0.56. what is the radius of the tightest unbanked turn that the driver can hope to handle
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