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Gabriela, hunting for her favorite wooden horse, is running on the ground around the edge of a stationary merry-go-round. The angular speed of the child has a constant value of 0.250 rad/s. At the instant Gabriela spots the horse, one-quarter of a turn away, the merry-goround begins to move (in the direction of Gabriela's running) with a constant angular acceleration of 0.0100 rad/s2. What is the shortest time it takes for Gabriela to catch up with the horse?
The specific heat of mercury is 138 J/kg Co Determine the latent heat of fusion of mercury using the following calorimeter data: 1 kg of solid Hg at its melting point of -39.0º C is placed in a 0.620 kg aluminium calorimeter with 0.40 kg of water ..
A flywheel with a radius of 0.310m starts from rest and accelerates with a constant angular acceleration of 0.660rad/s2, Compute the magnitude of the tangential acceleration, the radial acceleration
If you stand on a pogo stick, you note that its spring-loaded foot is pushed in about 18 cm. what is your approximate oscillation frequency
In a uniform electric field of magnitude E, the field lines cross through a rectangle of area A at an angle of 79.0° with respect to the plane of the rectangle. What is the magnitude of the flux through the rectangle
A 15 kg brick rests on a roof that is at an angle of 40º to the horizontal. What is the component of the force into the surface of the roof
Two 52 g ice cubes are dropped into 230 g of water in a thermally insulated container. If the water is initially at 27°C, and the ice comes directly from a freezer at -21°C, what is the final temperature at thermal equilibrium
A basketball player is standing on the floor 10.0 m from the basket. The height of the basket is H = 3.05 m, and he shoots the ball at an angle, ? = 36.4°, with the horizontal from a height of h = 1.82 m.
A battery is connected in series with a 0.31-? resistor and an inductor, Find the inductance of the circuit
A block of mass 0.540 kg is pushed against the horizontal spring of negligible mass until the spring is compressed a distance x. The force constant of the spring is 450 N/m.
Assume the magnitude of the electric field on each face of the cube of edge L = 1.01 m, Determine the net electic flux through the cube
A landing airplane makes contact with the runway with a speed of 78.0 m/s and moves toward the south. After 18.5 seconds, the airplane comes to rest. What is the average acceleration of the airplane during the landing?
At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. find the time when the balls collide
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