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A ski starts from rest and slides down a 21degree incline 75m long.
If the coefficient of friction is 0.095, what is the ski's speed at the base of the incline?
If the snow is level at the foot of the incline and has the same coefficient of friction, how far will the ski travel along the level? Use energy methods.
suppose we measure the resistance from one hand to the other and find it to be 2 kilo ohms. What is the resistivity of skin
A current of 2.00 A is flowing through a 1000-turn solenoid of length L = 40.0 cm. What is the magnitude of the magnetic field inside the solenoid
A ball with a mass of 0.5kg and a diameter of 0.4 m floats (so acceleration =0 ) in the ocean, what is the buoyant force of the ball
A spring-loaded pellet gun is designed to fire 3.50 g projectiles horizontally at a speed of 39.1 m/s. What maximum force is required to load the gun
If no, then what will happen if 30 kilocalories of heat is added to the water? Give a numerical result as part of your answer.
A lamp which is 11.5 cm tall is in front of a concave mirror which has a focal length of 66.0 cm. How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror
A cube is constructed of six copper plates joined at the edges by an insulating material. find the electrical potential in the center of the cube
A wood block floats on water with 35% of its volume above the surface (of water), what is the average density of the block (in kg/m3)
In a women's 100-m race, accelerating uniformly, Laura takes 1.98 s and Healan 3.17 s to attain their maximum speeds, What is the maximum distance by which Healan is behind Laura
If the electric field in an EM wave in free space has a peak magnitude of 7.5*10^-5 v/m, what is the peak magnitude of the magnetic field strength
A ferries wheel with radius 20 m which rotates counterclockwise, is just starting up. Find the magnitude of the passenger's acceleration at the instant
A source emits sound uniformly in all directions. There are no reflections of the sound. What is the total sound power P emitted by the source
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