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Presume the rear view mirror on a car is convex with a radius of curvature of 21 m.
1) How does your answer change when the motorcycle is 14 m behind the car?
2) If a motorcycle is 49 m behind the car, what is the magnification of the motorcycle?
A ball of mass 0.1 kilogram is dropped from a height 11 meter above the surface of a triangular block of mass M=1 kilogram. Estimate what is the speed of the block after collision
A gardener pushes down on the handle of a lawnmower, applying a force of 250 Newton. find what is the acceleration of the 20 kilogram lawnmower
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
A satellite has a geo-synchronos orbit around the earth. How far is it above the earth's surface
The angular momentum of a flywheel having a rotational inertia of 0.125 kgm2 decreases from 3.0 to 2.0 kgm2/s in a period of 1.5 s. How much work was done on the wheel
an ac generator consists of 6 turns of wire. each turn has an area of 0.040m2. the loop rotates in a uniform field
A motorist drives along a straight road at a constant speed of 22.0 m/s. Just as she passes a parked motorcycle police officer, Find the speed of the officer as he overtakes the motorist
Two charges are held 0.5 m apart and exert a force of 32 N on one another. what is the force they exert on one another
The vector shows the weight of the stone. Complete the vector diagram showing another vector that results in zero net force on the stone. Illustrate what is the conventional name of the vector you have drawn?
As it enters a pipe, a perfect fluid has spped 3.70 m/s. As it exits the pipe, the speed is 10.6 m/s. what is the radius of the pipe at the exit
A solid sphere with a radius of 10 cm is rolling freely on a horizontal surface. The velocity of its center of mass is 2m/sec. How far will the sphere move up the inclined plane before it stops
Sphere A has a mas m and is moving with velocity v (along +x axis). It makes a head-on elastic collistion with a stationary shpere B of mass 2m. after the collisiion, the spee of sphere B is 2v/3. What is the velocity of Sphere A in terms of v after ..
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