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Given: A penny moving at speed "v" slides off the horizontal surface of a coffee table a vertical distance "y" from the floor.
Question: Show that the penny lands a distance v√2y/g from the base of the coffee table.
Problems: Need detailed answer of how you move to this final formula, In my physics book there I have Located formulas: d = ½ gt2 and t = √2d/g. I'm just not sure how to get to the final formula.
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Determine the current in the dead battery
Suppose there is a small pond near your home. A measuring stick is mounted at the end of a pier in order to gauge the height of the water. Assume the height of the water is 100 cm. You are carrying a large boulder as you step into a small boat tied t..
A crate whose mass is 360kg rests on the bed of a truck that is moving at a speed of v0 of 105 km/h. The driver applies the brakes and slows down to a speed v of 62 km/h in 17 s. What force (assumed constant) acts on the crate during this time?
A small ball rolls off the roof edge with a horizontal speed of 3.2m/s. The ball hits the ground a distance of 12.6m from the building's base. Calculate the hieght of the building
A stationary motion detector sends sound waves of frequency 500 Hz towards an approaching truck. What is the speed of the truck
two identical capacitors are connected in parallel to an ac generator that has a frequency of 650 hz and produces a
A satellite is circling a small planet at a speed of 3.60 rev/day. If the satellite's orbit has a diameter of 30,000 km, how fast is the satellite moving
An electron with initial velocity v0 = 1.20 × 10^5 m/s enters a region 1cm long where it is electrically accelerated. It emerges with velocity v = 5.87 × 10^5 m/s. What is its acceleration, assumed constant? (Such a process occurs in conventional ..
An alpha particle (charge +2e) moves with velocity v = 5.0i - 3.0j in a magnetic field B = -4.0i + 2.5j, What is the magnetic force on the alpha particle
A bird sits on a high-voltage power line with its feet 4.6 cm apart. What is the potential difference between the bird's feet
A rope is attached to a ball, and then the ball is swung with constant speed in a horizontal circle of radius 1 m. If the tension in the rope is 100 N, How much work does the tension force do on the ball
Two automobiles, each of mass 1000 kg, are moving at the same speed, 21 m/s, when they have an inelastic collision. In what direction and at what speed does the wreckage move if one car was driving north and one east?
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