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A cameraman on a pickup truck is traveling westward at 20 km/h while he videotapes a cheetah that is moving westward 30 km/h faster than the truck. Suddenly, the cheetah stops, turns, and then runs at 45 km/h eastward, as measured by u suddenly nervous crew member who stands alongside the cheetah's path. The change in the animal's velocity takes 2.0 s. What are the
(a) Magnitude and
(b) Direction of the animal's acceleration according to the cameraman and the
(c) Magnitude and
(d) Direction according to the nervous crew member?
A 10000 N car comes to a bridge during a storm and finds the bridge washed out. How fast should the car be traveling just as it leaves the cliff in order to clear the river and land safely on the opposite side
A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 42.0 vibrations in 27.0 s. Also, a given maximum travels 430 cm along the rope in 6.0 s. What is the wavelength? cm
A thin film of oil (n=1.24) is laying on a flat piece of glass (n=1.83). When viewed through air normal to the oil film, What is the minimum thickness of the oil film
A four-turn rectangular coil has a spatially varying magnetic field directed through its center as shown. The magnetic field is given by [(B)\vec] = 4.2 y2 t [^(k)], Find the direction of the induced current in the coil
a box of mass 1.0 kg sits atop a frictionless surface inclined at 30 degree above the horizontal.nbsp it is connected
A 200, 47.0 cm-diameter turntables rotate on frictionless bearings at 70. A 24.0 block sits at the center of the turntable. A compressed spring shoots the block radically outward along the frictionless groove in the surface of turntable.
A transverse pulse moves along a stretched cord of length 5.29 m having a mass of 0.180 kg. If the tension in the cord is 13.4 N, find the following. (a) The wave speed. (b) The time it takes the pulse to travel the length of the cord.
The question states: two large, parallel conducting plates are 12cm apart and have charges of equal magnitude and opposite sign ontheir facing surfaces. find the elctric field at the position of the elctron
You are designing a machine for a space exploration vehicle. It contains an enclosed column of oil that is 1.05m tall, What must be the density of the oil
question1the unique temperature of the water in the large bowl was 25degc. the temperature of a molecule that changes
a wire is carrying a current in the -x direction. What is the direction of the uniform magnetic field such that the magnetic force is maximized
The shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. Illustrate what is the magnitude of the athlete's average force on the shot during the acceleration phase?
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