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After skidding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.8 m/s. Miranda runs after her at a velocity of +5.3 m/s and hops on the inner tube. How fast do the two of them slide across the snow together on the inner tube? Ashley's mass is 42 kg, and Miranda's is 71 kg. Ignore the mass of the inner tube and any friction among the inner tube and the snow.
The four tires on the author's car are inflated to an absolute pressure of 2.8 multiply.gif 105 Pa.what is the contact area between each tire and the ground
A ball is thrown off a 22 m high cliff at 9 m/s, 50o above the horizontal. How long does it take to hit the ground
A 15 g bullet traveling at 485 m/s strikes a 0.9 kg block of wood that is balanced on a table edge 0.7 m above ground. If the bullet buries itself in the block, find out distance D at which the block hits the floor.
An object weighing 347 N in air is immersed in water after being tied to a string connected to a balance. Calculate the density of the object
A hotel elevator ascends 140 m with a maximum speed of 5.80 m/s. Its acceleration and deceleration both have a magnitude of 1.50 m/s2.
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
a parallel plate capacitor has a capacitance of 6.7 microf when filled with a dielectric. the area of each plate is 1.4
Along straight conducting rod (or wire) carries a linear chargedensity λ of +2.0μC/m.This rod is totally enclosed within a thin cylindrical shell of radius R, which carries a linear charge density of -2.0μC/m. A) Describe how you would constructtw..
A 2000kg car accelerates from 20 to 60km/h on an uphill road. Determine the work done by the engine
A 3kg mass is positioned at (0, 8), and a 1 kg mass ispositioned at (12, 0). What are the coordinates of a 4 kg mass thatwill result in the center of mass of the system of three massesbeing located at the origin, (0, 0 )?
One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. Determine the final speed of the two-object system
a block of mass 0.2kg is moving with a speed of 5ms on a horizontal surface enters a rough patch ranging from x0.1m to
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