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A solid metal cylinder mass m = 8.55 kg of diameter d = 8.57 cm and length L = 45.5 cm is suspended from a spring scale and partially immersed in water. The top of the block is at distance h = 18 cm above the surface of the water.
What is the reading (in N) of the spring scale?
As a city planner, you receive complaints from local residents about the safety of nearby roads and streets, calculate the miminim and maximum braking distance needed to ensure that all vehicles traveling at the posted speed limit can stop before r..
The net external force on a golf cart is 401.4 Newton north. If the cart has a total mass of 275.5 kilogram, evaluate what is the cart acceleration
A disk rotates with constant angular acceleration. The initial angular speed of the disk is 2 rad/s. After the disk rotates through 1 Radians, the angular speed is 17rad/s. What is the magnitude of the angular acceleration?
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 49.0. What is the magnitude of the gravitational acceleration on this planet
on turning a corner ,a motorist rushing at 44m/s find a child on road 100m away. he applies the brakes so as to stop the motorcar within 1m of child. calculate the time required to stop.
You are on a swing with a chain 5.19 m long. If your maximum displacement from the vertical is 18.1°, how fast will you be moving at the bottom of the arc
Light with a frequency of 2 X 10^15 Hz shines on a copper surface (=4.70 eV). What is the maximum kinetic energy of the photoelectrons
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +20.5 rad/s. Then, the brakes are applied. In coming to rest, What is the angular acceleration of each wheel
A 13 kg child on a playground swing moveswith a speed of 2.9 m/s when the 6.0 mlong swing is at its lowest point. What is the angle that the swingmakes with the vertical when the child is at the highest point?
The length of a beam increases by 1.26mm when its temperature is raised from 29.87oC to 71.49 oC. What is the length of the beam at the initial temperature
A material has a dielectric constant of εr=3.0 andhas an atomic density of 1028 atoms per cubic meter. If only two electrons in the outer orbital shell will distort with anapplied E-field, and both electrons follow the same orbital path asa pair,
A gun is fired vertically into a 2.00 kg block of wood at rest straight above it. If the bullet has a mass of 21.0 g and a speed of 198 m/s, how high would the block rise into the air after the bullet becomes embedded in it.
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