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Problem: Leaping The River, I. A 10000 N car comes to a bridge during a storm and finds the bridge washed out. The 700 N driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 24.0 m above the river, while the opposite side is a mere 6.60 m above the river. The river itself is a raging torrent 63.0 m wide.
Part A: How fast should the car be travleing just as it leaves the cliff in order to clear the river and land safely on the other side?
Part B: What is the speed of the car just before it lands safely on the other side?
A hairless cat's body temperature is 7.5 degrees C higher than a human's. Part A: Find the hairless cat's temperature in degrees C. Part B: Find the hairless cat's temperature in degrees F. Express your answers using one decimal place and include the..
A brick is initially 12.10 cm high and an aluminum can is initially 12.11 cm high. By how much should their temperatures be raised in order for the brick and the can to have exactly the similar height?
An astronaut accidentally gets separated out of his small spaceship accelerating in inter stellar space at a constant rate of 100 m s-2. What is the acceleration of the astronaut the instant after he is outside the spaceship ? (Assume that there a..
A variable-speed drill, initially turning at 400 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
Two Carts have a perfectly inelastic collision. Cart A has mass 34.8 kg and velocity 5.08 m/s directed north immediately before the collision. What is the speed of the two carts
A light beam strikes a piece of glass at a 60 degree incident angle. The beam includes two wavelengths, 450 nm and 700 nm, for which the index of refraction of the glass is 1.4820 and 1.4742, respectively. What is the angle among the two refracted be..
the velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees North of West. find the velocity of the boat with respect to the ground
A 14.2-g piece of Styrofoam carries a net charge of -0.69 µC and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface. What is the charge per unit area on the plastic..
A mass-spring system has k = 55.2N/m and m = 0.405kg. Find the frequency of its simple harmonic motion
A wire, of length 250 centimeters, and radius 0.3 millimeters is stretched by hanging on a weight of 12 kilograms, Calculate the value of Young's modulus for the wire
A .32 caliber bullet fired from a revolver with a 3 in long barrel will have a relatively low muzzle speed of about 200 m/s. how fast will it be moving when it returns
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