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The cheetah is one of the fastest accelerating animals, for it can go from rest to 26.8 m/s in 3.89 s. If its mass is 103 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in
(a) watts and
(b) horsepower.
An air-track glider attached to a spring oscillates between the 8.00 mark and the 69.0 mark on the track. The glider completes 10.0 oscillations in 40.0. What is the maximum speed of the glider
A spherical Christmas tree ornament is7.18 cm in diameter.What is magnification of the image ofan object placed 8.6 cm away from the ornament.
A 601N athlete standing on one foot on a very smooth gym floor lifts his body by pivoting his foot upward through a 30.0? angle, What is the tension in the Achilles tendon
You are designing a process to store pressurized argon gas (a monatomic gas). If you pressurize the gas at a constant temperature, how much work must be done on the gas
A skateboarder, starting from rest, rolls down a 12.2-m ramp. When she arrives at the bottom of the ramp her speed is 8.61 m/s. Determine the magnitude of her acceleration, assumed to be constant
A mass m1 = 1 kg rests on top of a mass m2 = 5 kg which is attached to a spring (k = 50 N/m), Determine the maximum amplitude of the motion such that the top mass does not slip
A photon with a wavelength of 3.70×10?13 m strikes a deuteron, splitting it into a proton and a neutron. calculate their speeds after the photodisintegration
A string is wrapped around a wheel of radius 0.4 m and moment of inertia 25 kg-m2. If the string is pulled with a force of 60 N, what is the angular acceleration of the wheel
A hollow aluminium cylinder is to be fitted over a steel piston. At 22°C the inside diameter of the cylinder is 99.2 percent of the outside diameter of the piston. To what common temperature must the two pieces be heated in order that the cylinder ju..
Two radio antennas are separated by 2.00 m. Both broadcast identical 750MHz waves. If you walk around the antennas in a circle of radius 10.00 m, how many maxima will you detect.
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
Two children setup a "telephone" by placing a long, slender aluminium (Y = 6.9 × 1010 N/m2) bar that has a length of 6.1-m between their two houses. To communicate, the child taps a coded message on one end. How long do the sound waves take to reach ..
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