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A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 12.0 m/s, and the distance from the limb to the level of the saddle is 4.00 m.
(a) What must be the horizontal distance between the saddle and limb when the ranch hand makes his move?
(b) How long is he in the air?
A U-shaped tube is open to the air at both ends and is partially filled with Mercury (density = 13,600 kg/m3). Water (density = 1000 kg/m3) is poured into the left arm until the water is 10 cm deep. How long upward from its initial position does t..
Ikjoo Yoo of the Tampa Bay Lightning has had his slap shot clocked at 102.1 mph (45.64 m/s). How much momentum is lost in the collision
Two people carry a heavy electric motor by placing it on a light board 2.90m long. One person lifts at one end with a force of 370N, What is the weight of the motor
assuming the weight is evenly distributed.On a hot day in Las Vegas, an oil trucker loaded 37000 L of fuel. He encountered cold weather on the way to Utah, where the temperature was 23K lower than Las Vegas.
Draw a sketch that shows the distribution of dipoles in a ferromagnetic solid in zero applied magnetic field. Illustrate what is the name given to internal interaction acting on the dipoles
What is the magnitude of the centripetal acceleration.
A parallel-plate capacitor is formed from two 1.0 {rm cm} times 1.0 {rm cm} electrodes spaced 2.4 {rm mm} apart. The electric field strength inside capacitor is 1.0times10^{6};{rm{N/C}}.
Assume the balloon and rod to be point charges. The Coulomb force constant is 1/(4? ?0) = 8.99 × 10^9 N·m2/C2 and the acceleration due to gravity g = 9.81 m/s2.
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A novice skier, starting from rest, slides down a frictionless 41.0 incline whose vertical height is 230.How fast is she going when she reaches the bottom.
A typical ten-pound car wheel has a moment of inertia of about. The wheel rotates about the axle at a constant angular speed making 60 full revolutions in a time interval of 5.
A 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope
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