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An airline pilot pulls her 12 kilogram roll aboard suitcase along the ground with a force of 25.0 Newton for 10.0 m. The handle she pulls on makes an angle of 36.5o with the horizontal. Find how much work does she do over the ten-meter distance?
The wave function of a standing wave on a string fixed at both ends is given by y(x,t)=0.02sin(0.3x)cos(25t), where y and x are in cm and t is in seconds. What is the wavelength of the standing wave
A spring has a spring constant k = 0.84 N/m. If it is stretched 0.13 m from its equilibrium position, what is the restoring force of the spring
Compute the average acceleration of car and lizard and the final velocity of a Ferrari.
A 6.2 kilogram box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling. find the power delivered by the person pulling on the rope
An ideal gas is compressed at constant pressure to one-half its initial volume. find the initial volume of the gas
The pendulum in the figure consists of a uniform disk with radius r = 15.0 cm and mass 420 g attached to a uniform rod with length L = 380 mm and mass 240 g. Calculate the rotational inertia of the pendulum about the pivot point
The magnitude of a force vector is 80.4 newtons (N). The x component of this vector is directed along the +x axis and has a magnitude of 72.6 N.
a car with a mass of 1000 kg is driving over a hill at a constant speed of 60 ms. the top of the hill can be
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
Vector A points in the negative y direction and has a magnitude of 3 units. Vector B has three times the magnitude and points in the positive x direction. Find out the direction and magnitude of the following vectors.
In a chase scene, a movie stuntman is supposed to run right off flat roof of one city building and land on another roof 1.7m lower. If the gap between the buildings is 4.4m wide, how fast must he run.
A stunt man drives a car at a speed of 20m/s off a 30-m-high cliff, How far from the base of the cliff does the car land and What is the car's impact speed
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