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A block of mass M=10kg is acted on by an applied forceF1 directed at 30degrees above the horizontal. The blockslides on a surface with μk=0.20 and starting fromrest, achieves a speed of 4m/s after sliding a distance d=2m. Whatis the acceleration of the block? What is the magnitude ofF1? If the force F1, is now removed, how much farther will the block slide?
Two golf balls are glued together and rotated about an axis through the point where they are joined. What is the moment of inertia of the pair of golf balls around the chosen axis
A 97.0-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 12.0 m. The jumper reaches reaches the bottom of her motion 36.0 m below the bridge before bouncing back. We w..
A satellite 589 km above the earth's surface transmits sinusoidal electromagnetic waves of frequency 94.6 MHz uniformly in all directions, with a power of 24.0 kW. what average force do these waves exert on the panel
A ring of diameter 11.00 cm is fixed in place and carries a charge of +5.00 µC uniformly spread over its circumference. What is the maximum speed it will reach
q1. a point charge is distance from the center of the dipole consisting of charges separated by distance. the charge is
Calculate the force on a dielectric slab inserted partly into a parallel plate capacitor with plate dimensions L and w, with a length x of the dielectric lying between the plates. Assume that the plates are isolated, so the charge ±Q on the plates..
A skier (m=61.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. Find her total kinetic energy as she reaches the ground
Black smokers are hot volcanic vents that emit smoke deep in the ocean floor. Many of them teem with exotic creatures, and some biologists think that life on earth may have begun around such vents.
A 8.0 x15 swimming pool slopes linearly from a 1 depth at one end to a 3.70 depth at the other. What is the mass of water in the pool.
An AC generator has a square coil consisting of 248 turns. The coil rotates at ?=79.1 rad/s in a 0.170- T magnetic field. What is the length of one side of the coil
you can use the radio waves generated by a hydrogen maser as a standard of frequency. the frequency of these waves is
A uniform, spherical cloud of interstellar gas has mass 2.0x10^30 kg, and radius 1.0x10^13 m and is initially rotating with a period of 1.4x10^6 yrs. what will be the star's rotational period
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