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a) A stone is thrown vertically upward at a speed of 28.40 m/s at time t=0. A second stone is thrown upward with the same speed 2.570 seconds later. At what time are the two stones the same height?
b) At what height do the two stones pass each other?
c) What is the upward speed of the second stone as they pass each other?
suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C.
A block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 18.0 N force directed 25.0° below the horizontal. Determine the work done by the net force on the block
An alternating emf source with a variable frequency fd is connected in series with a 50.0 ? resistor and a 20.3 ?F capacitor. find the angular speed at which the phasors rotate
The image of an object through a diverging lens is 5.00 cm in front of the lens. If the magnification is 0.250,determine object distance and and focal length
A home run is hit in such a way that the baseball just clears a wall 13 m high, located 135 m from home plate. Find the time it takes the ball to reach the wall
a cubical box, 6.00 cm on each side, is immersed in a fluid. the gauge pressure at the top surface of the box is 652 PA, what is the density of the fluid
question1you encounters a moving walkway that is 91 long and has the speed of 2.1 relative to the ground. how long
A 5.70 cm x 3.10 cm rectangle lies in the xy-plane, What is the electric flux through the rectangle if E = (50.0 i-hat + 60.0 k-hat) N/C
Clarify the general purposes of the management report. Identify five subject areas or topics which have been recommended for inclusion in the management report.
As measured in Earth's frame of reference, two planets are 485,000 km apart. How fast is the ship traveling
A fan blade, whose diameter is 1.0 m, is turning with an angular velocity of 2.0 rad/s. What is the tangential velocity of a point on the tip of the blade
A box is put on a slide to move it from one part of a factory to another the slide is at an angle of 20 degrees below the horizontal the coefficient of friction between the box and slide is 0.352 what is the acceleration of the box.
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