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A 2.00 kg block is placed against a spring on a frictionless30.0 degree incline. The spring, whose spring constant is19.6N/cm is compressed 20.0 cm and then released.
a.) What is the elastic potential energy of the compressedspring?
b.) What is the change in the gravitational potential energyof the block-Earth system as the block moves from the release pointto its highest point on the incline?
c.) How far along the incline is the highest point from therelease point?
A woman stands at the edge of a carousel that is rotating without friction at 0.80 rad/s. The carousel has a radius of 2.0m and a moment of inertia of 600 kg m2. What is now the angular speed of the carousel
How many revolutions will the car have gone through.
Charge Q = 10E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. A) Find the potential difference VB - VA between the two points. B) Which point is at the higher potential? Type either "Po..
A box of sand, initially at rest, is to be pulled across a floor by means of a cable in which the tension cannot be allowed to exceed 1100N. What is the weight of the sand and box in that situation
A beam of light with red and blue components of wavelengths 670 nm and 425 nm, respectively, what is the index of refraction of the blue light
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. Compute its steady-state temperature
When the space shuttle (mass of the shuttle=2*10^6kg) was at the outer limit of Earth's atmosphere (distance= 350km above Earth's surface), astronauts measured the gravitational force from Earth to be equal to 1.7*10^7 newtons. Find the gravitatio..
Forces of 11.0 N norths, 19.5 N east, and 15.90 N south are simultaneously applied to a 3.70 kg mass as it rests on an air table. What is the magnitude of its acceleration.
A flywheel has a constant angular deceleration of -2.01 rad/s2. Find the angle through which the flywheel turns as it comes to rest from an angular speed of 186 rad/s
Miranda, a satellite of Uranus, is shown in part a of the figure below. It can be modeled as a sphere of radius 242 km and mass 6.68 1019 kg. Find the free-fall acceleration on its surface
An ice chest at a beach party contains 12 cans of soda at 4.93 °C. Each can of soda has a mass of 0.35 kg, determine the final temperature T of the soda and watermelon in degrees Celsius
Determine the number of moles of air that leave the house during the daytime.
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