Top of the window the windowsill
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of the window below the windowsill from w/c the flower pot fell?
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During a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 210 J from 440J. How high does she rise during this interval? Neglect air resistance?
A constant horizontal force Fa pushes a 3.20 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. The figure below gives the package's x and y velocity components versus time t. (The vx axis is marked in in
The torque is applied for 12.0 . Neglect friction. What is the rotational kinetic energy of the platform at the end of the process described above?.
Light that contains all wavelengths between 464 and 636 nm shines on the grating. Calculate the width of the dark area between the first and second order spectra on a screen 3.3 m away.
A 810 kg sports car collides into the rear end of a 2000 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.5 m before stopping. The police officer, knowing that the coefficient of kinetic frict
A crate is sliding down a ramp that is inclined at an angle of 45.5° above the horizontal. The coefficient of kinetic friction between the crate and the ramp surface is 0.672. Find the acceleration of the moving crate.
The driver of a 1800 {kg} car traveling on a horizontal road at 100 kmh suddenly applies the brakes. Due to a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the weight of the car.
A sled is pulled with a horizontal force of 20 N along a level trail, and the acceleration is found to be 0.38 m/s2. An extra mass m = 4.0 kg is placed on the sled. If the same force is just barely able to keep the sled moving, what is the coeffic
A pendulum of length 50 cm is pulled 30 cm away from the vertical axis and released from rest. What will be its speed at the bottom of its swing?
A sled weighs 100N. it is held in place on a frictionless 20 degree slope by a rope attached to a take at the top; the rope is parallel to the slope. what is the normal force acting on the sled?
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