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A truck covers 40.0 m in 8.50 s while smoothly slowing down to a final speed of 2.80 m/s.
(a) Find its original speed.
(b) Find its acceleration.
A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
shows a particle with positive charge q = 1.60 x 10-19 C is moving with speed v = 8.43 x 104 m/s toward a long straight wire with current i = 371 mA. find the magnitude of the force on the particle due to the current
A uniform solid disk of mass m = 3.01 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.96 rad/s. Calculate the magnitude of the angular momentum of the disk
a 360 nm thick oil film floats on the surface of the water. the indices of refraction of the oil and the water are 1.50
What is the lift (in newtons) because of Bernoulli's principle on a wing of area 78m^2 if the air passes over the top and bottom surfaces at speeds of 260m/s and 150 m/s, respectively.
A 50.0 gram chunk of ice is taken from a freezer at -20 C, What is the minimum amount of stove energy required
A bullet with mass 4.59 g is fired horizontally into a 1.958-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system
he rate P at which a star radiates energy in the form of electromagnetic waves can be calculated using the equation, Calculate a numerical value for the intensity of sunlight
find the potential energy at each location below. How far from the point of the drop will the rock hit the ground.
John, a 76-year-old grandfather, had been smoking heavily for 26 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How might this happen considering the natural cleaning mechanism of the ..
An archeological specimen containing 3.4g of carbon has an activity of 0.33 Bq. How old (in years) is the specimen
An electron with a speed of 7.00 108 cm/s enters an electric field of magnitude 1.00 103 N/C, traveling along the field in the direction that retards its motion. (a) How far will the electron travel in the field before stopping momentarily?
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