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A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 10.0 m/s, and the man is initially 2.95 m above the level of the saddle.
(a) What must be the horizontal distance between the saddle and limb when the man makes his move?
(b) How long is he in the air?
A wheel of radius 30 cm is rotating at a rate of 2.0 revolutions every 0.080 s. What is the wheel's frequency of rotation
A horizontal aluminum rod 4.8 cm in diameter projects 5.6 cm from a wall. A 1200 kg object is suspended from the end of the rod. Find the vertical deflection of the end of the rod
Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track.
The ball has the speed of 12.1 m/s and is moving in a direction of 33.4 degrees east of north, relative to the ground.
A nucleus of the boron-11 isotope consists of five protons and six neutrons. evaluate the magnitude and direction of the electric field
A Styrofoam box has a surface area of 0.74 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
The rate of flow of water through a horizontal pipe is 1.98 m3/min. Determine the speed of flow in m/s at a point
An object with mass 3.2kg is executing simple harmonic motion, attached to a spring with spring constant 260N/m, Calculate the maximum speed attained by the object
A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, calculate (a) the radius of the orbit, (b) the linear momentum of the electron.
what is the kinetic energy of the system. assume the roller coaster in Fig. 6-41 (h1 = 36 m, h2 = 14 m, h3 = 25) passes point 1 with a speed of 2.00 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it ..
If the perceived frequency becomes constant at 440 Hz, what is terminal speed at the paratrooper? Take the speed sound in air to be 343 m/s and assume the paratrooper always remains below the helicopter.
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resultant vector R
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