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A spring is initially compressed by 17.5 cm. If it takes 7.166 J of work to compress the spring an additional 3.5 cm, what is the spring constant of the spring? Please Show Work!
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
How much energy is delivered to the battery. What is the velocity v of the smaller fish before lunch.
A satellite orbiting the moon very near the surface has a period of 110 min, What is the free-fall acceleration on the surface of the moon in SI units
What is total distance the bird travels by trains collide
At point A, 3,00 m from a small source of sound that is emitting uniformly in all directions, the sound level is 53.0 dB. what is the intensity of the sound at point A
What is acceleration of an object sliding down to plane
A cubical box with sides of length a#consists of five metal plates which are welded together and grounded, Find the potential everywhere inside the box
There are two major types of aberration (defective image formation) in lenses: spherical and chromatic. Spherical aberration comes from fact that a spherical lens has the property of focusing parallel rays to a single point only approximately.
An unstretched spring with spring constant 21 N/cm is suspended from the ceiling. A 3.3 kg mass is attached to the spring and let fall. To the nearest tenth of the centimeter, how far does it stretch the spring.
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. what are the underwater angles of refraction for the blue and red components of the light
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
An archer puts a 0.54 kg arrow to the bowstring. An average force of 202 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
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