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A block of mass 0.14 kg is placed on a vertical spring of constant 5723 N/m and pushed downward, compressing the spring 0.08 m. After the block is released it leaves the spring and continues to travel upward. The acceleration of gravity is 9.8 m/s2. What height above the point of release will the block reach if air resistance is negligible?
If an electron in a hydrogen atom makes a transition from the n = 7 to the n = 1 state, what is the wavelength of the photon emitted
A thin rod has a length of 0.684 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. what is the change in the angular velocity of the rod
The average density of the planet Neptune is 1644 kg/m3. The acceleration of gravity on its surface is 11.32 m/s2. Calculate the average radius of Neptune
ice, liquid water, and water steam are three phases oof the same substance, meaning, what is the typical distance between water molecules in the liquid phase of water
an arbituary shape of copper holds excess charge that is in static equilibrium. In which direction does the electric field, created by the excess charge, point at an exterior portion of the copper chape
A 14.40 kg block and a 25.3 -kg block are resting on a horizontal frictionless surface. Between the two is squeezed a spring (spring constant = 1108 N/m).
Wile E. Coyote and the Roadrunner are fictional cartoon characters. The premise of the cartoon is that Wile E. What is the magnitude of the impulse on the second wagon
An attacker at the base of a castle wall 3.63 m high throws a rock straight up with speed 8.80 m/s at a height of 1.51 m above the ground. Find the change in speed of a rock
Each of the sources in the drawing emits a frequency of 4.57 multiplied by 1014 Hz, and the speed v is 2.50 106 m/s. Calculate the observed frequency fo in situation A. fo =? Unit
At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m. How fast will the payload be traveling when it reaches the bottom of the shaft
q1. eight lights are connected in parallel to a 116 v source by two leads of total resistance 1.1. if 240 ma flows
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. What is the wavelength of the standing wave you create in the string
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