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A 10000 N car comes to a bridge during a storm and finds the bridge washed out. The 650 N driver must get to the other side so he decides decides to try leaping it with his car. The side the car is on is 22.4 m above the river while the opposite side is a mere 5.40 m. above the river. The river itself is a raging torrent 62.0 m wide.
A. How fast should the car be traveling just as it leaves the cliff in order to clear the river and land safely on the opposite side?
B. What is the speed of the car just before it lands safely on the other side?
The coefficient of static and kinetic frictions between a 3 kg box and a desk are .4 and .3 respectively. What is the net force on the box when a 10 N horizontal force is applied to the box
Your goal in laboratory is to launch a ball of mass m straight up so that it reaches exactly height h above the top of the launching tube. Find an expression for the acceleration that will earn you maximum points
A child runs down a 10 degree hill and then suddenly jumps upward at a 17 degree angle above horizontal and lands 1.5 m down the hill as measured along the hill. what was the initial speed?
A 1.9 mol sample of hydrogen gas is heated at constant pressure from 302 K to 410 K. Calculate the energy transferred to the gas by heat.
Suppose that a particle accelerator is used to move two beams of particles in opposite directions. what is the magnitude of the average current in this region
A musician plays a string on a guitar that has a fundamental frequency of 330.0 Hz. The string is 65.2 cm long and has a mass of 0.268 g. At what speed do the waves travel on the string
A 5C charge moves with velocity v = 10i + 3 j - 7 k m/sec in magnetic field B = 5i+ 13j - 1k tesla. find directions of magnetic force on the moving charge
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axle. A light rope wrapped around the wheel supports a 0.50-kilogram object, as shown below. When released from rest, the object falls with a downward acceleration of 5.0 m/s2. What i..
A patient is having a magnetic resonance imaging scan (an MRI) and has neglected to remove a circular, metallic bracelet. the resistance of the bracelet is .0123 ohm. what is the area of the opening of the circular bracelet
Light of wavelength 530 nm is incident on two slits that are spaced 1.0 mm apart. How far from the slits should the screen be placed
A current of 38.9mA flows in a silver wire of diameter 3.33 mm. Find the electric field strength inside the wire
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