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A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of r = 34 m. Neglect friction and air resistance. What must be the height h of the first hill so that the skier just loses contact with the snow at the crest of the second hill?
Vital Signs of Planet Earth
you are driving in a 1500 kg car and have to negotiate a curve with a radius of 35 m. the coefficient of static
During a day time football game you notice that a player's reflective helmet forms an image of the sun 3.2 cm behind the surface of the helmet
You are on a roof, 14.0 m above ground. Dr singer who is 1.78 m tall is 5.0m from the building entrance. How long is the egg in the air
"Two football players are moving toward each other in a straight line. Number 56 has a mass of 116 kg and a velocity of 3 m/s, Determine the velocity (magnitude and direction) of players, after the collision
Sound from the siren of an emergency vehicle has a frequency of 750.0 Hz and moves with a velocity of 343.0 m/s. What is the distance from one condensation to the next
A bomb mass 7.2 kg goes off and splits into 3 pieces. The first piece has a mass of 1.1 kg and velocity of 9.5 m/s. What is the magnitude and direction of the velocity of the third piece
A rifle with a weight of 25 N fires a 4.0-g bullet with a speed of 240 m/s. Find the recoil speed of the rifle
A solid non-conducting sphere has a uniform volume charge density and a radius of 6 cm. The total charge on the sphere is 2nC.
An airplane is flying at an altitude of 2500m above the ground when it sees a stranded on a an island 4000m away. If a pilot lets go of a rescue package and it lands on the island, how fast was the plane traveling? what was the final velocity of the..
A 3.5 m string is stretched between a pulley and a wave generator consisting of a plate oscillating up and down with small amplitude and frequency 150 Hz. What is the linear mass density of the string
A running house cat has 13.5 J of kinetic energy at speed "v". What would her kinetic energy be if she ran half as fast as the speed in part A
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