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Motion in more than one directionA cartoon coyote sets out to capture the elusive road-runner by wearing a pair of ACME jet-powered roller skates, which provide a constant horizontal acceleration of 10 m/s^2. The coyote starts off at rest 100 m from the edge of a cliff at the instant the road-runner zips past him in the direction of the cliff.(a) If the road-runner moves with constant speed, what is the minimum speed the road-runner must have in order to reach the cliff before the coyote?(b) At the edge of the cliff the road-runner escapes by making a sudden turn, and the coyote continues straight off the cliff. If the cliff is 200 m above the ground, where does the coyote land, assuming that his skates remain horizontal and continue to work while in flight?(c) What are the components of the coyote's impact velocity?
A flight attendant pulls her 69N flight bag a distance of 246m along a level airport floor at a constant velocity. The force she exerts is 37N at an angle of 58° above the horizontal. Find the coefficient of kinetic friction between flight bag and..
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
Suppose a block of mass M is sliding down an inclined plane which makes an angle t with the horizontal. What is the work done by friction as the block travels a distance d along the plane
Monochromatic light shines on a diffraction grating. When the light source and the grating are in air, At what angle does the first-order maximum occur when the source and the grating are immersed in water (n = 1.32)
A moving particle encounters an external electric field that decreases its kinetic energy from 9800 eV to 8350 eV as the particle moves from position A to position B. The electric potential at A is -43.0 V, and that at B is +23.0 V. Determine the ..
Suppose he hits the ball with a speed of 29 m/s at an angle of 26° above the horizontal. Explain how long was the ball in flight? How far did it travel?
Fred (mass 72 kg) is running with the football at a speed of 5.8 m/s when he is met head-on by Brutus (mass 120 kg), who is moving at 4.0 m/s. How far do they slide
A parallel-plate air capacitor has a capacitance of 400pF and a charge of magnitude 0.150\muC on each plate. The plates are 0.600mm apart. What is the electric-field magnitude between the plates
An ice skater has a moment of inertia of 2.5 kg*m2 when his arms are outstretched and a moment of inertia of 1.0 kg*m2, what will his angular speed be when they are tucked in
Sand from a stationary hopper falls onto a moving conveyor belt at the rate of dm/dt = 5 kg/s as shown. The conveyor belt is supported by frictionless rollers, Find the force of friction exerted by the belt on the sand
The diameters of the main rotor and tail rotor of a single-engine helicopter are 14.4 m and 2.1 m, respectively. What is the speed of the tip of the small rotor
Carol and robin share a house. to get to work carol walks north 1.5 km while robin drive west 7.5 km. How far part are their work place
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