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If an oscillation of a mass on a spring has 17 times the energy of another oscillation of the same mass on the same spring, what is the ratio of the amplitudes of the two oscillations? Give the ratio (larger amplitude)/(smaller amplitude). NOTE! You must enter your answer as a decimal number, not as a fraction. For instance, if the answer is 1/3, you must enter 0.333.
A ray of light, traveling in the air, strikes the surface of mineral oil at an angle of 27.9 degrees with the normal to the surface. What is the angle of refraction
a cosmic ray travels 60 km through the earths atmosphere in 390 ?s as measured by experimenters on the ground.how long
A swimming pool has dimensions 36.0 m 8.0 m and a flat bottom. When the pool is filled to a depth of 1.90 m with fresh water, what is the force caused by the water on the bottom
During a 73.8-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 6.03-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12.6 ?. The mutual in..
We can use 30kJ of work from a heavy-duty pushing robot that can apply different constant forces. Draw a free-body diagram for the freigh
a spacecraft is traveling with a velocity of v0x 6150 ms along the x direction. two engines are turned on for a time
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.84 cm high, what is the height of the image on her retina
An elvator can carry a max load of 1600kg is moving up with a constant speed of 2 m/s. The frictional force opposing the motion is 3320N. Determine the max power delivered by the motor to the elvator in HP.
A rifle with a weight of 30 N fires a 5.0-g bullet with a speed of 300 m/s. If a 700-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 45 degrees above the horizontal. What is the range of the projectile
A hockey puck that is sliding on an icy surface will eventually stop. The horizontal force that will make the puck stop is due tofriction between puck and ice. Draw qualitative plots of position,velocity, and acceleration as functions of time.
A railroad car of mass 2.44 104 kg, is moving with a speed of 3.96 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
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