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In the diagram below, a block of mass M=46 kg slides down a frictionless inclined plane and collides elastically with another block of mass m=25.0 kg. If the mass at the top of the plane is initially at a height of 20.0 m above the horizontal plane, what is the velocity of m after the collision?
A force vector has a magnitude of 589 newtons and points at an angle 43o of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector?
A 0.40-kg iron horseshoe is dropped into 1.15L of water in a 0.34-kg iron pot initially at 20.0?C. Determine the initial temperature of the hot horseshoe.
You push with a horizontal force of 48.0 against a 23.0 box, pressing it against a rough wall to hold it in place. What is the friction force on the box
An entertainer, when performing a bubble trick, forms one bubble inside another. The surface tension of the bubble liquid is ?=0.04 N m-1. What is the gauge pressure in the inner bubble
The reel has radius R and moment of inertia I. One end of the block of mass m is connected to a spring of force constant k, and the other end is fastened to a cord wrapped around the reel. The reel axle and the incline are frictionless. The reel i..
An uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along thezaxis, and a hole is drilled in the sphere. Calculate th..
A 16 cm-diameter compressed-air tank is 30 cm tall. The pressure at 20 degrees C is 140 atm. What volume would this air occupy at STP
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle. find the bundle's initial vertical component of velocity
An automobile accelerates from zero to 28.0 m/s in 7.0 s. The wheels have a diameter of 0.8 m. What is the average angular acceleration of each wheel
describes the net gravitational force on the particle due to the shell? zero if the particle is at the center of the shell but nonzero at other locations within the hollow zero for any location of the particle within the hollow.
A 1.00 kg chunk of ice at a temperature of 0 C and pressure of 1.0 atm melts completely to water of 0 C. What is the change of the entropy of the ice
A converging lens with a focal length of 89.0cm forms an image of a 3.25cm -tall real object that is to the left of the lens. Where are the object and image located in relation to the lens
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