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A spring has a force constant of 104 N/m. Determine the distance when potential energy is:
a) 50 J,
b) 100 J.
An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
If a compressive force of 3.2×104N is exerted on the end of a 18cm long bone of cross-sectional area 4.3cm2 , will the bone break, By how much does it shorten
Two polarizers are aligned to the angle between their polarization direction is 45 degrees. what fraction of the incident intensity is transmitted though the second
An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two pillars 1.60 m apart, Find the force exerted by pillar B on the board
A Carnot engine has 40 g of helium gas as its working substance. It operates between two reservoirs of temperatures T1 = 400°C and T2 = 60°C. Calculate the heat absorbed and the waste heat ejected during one cycle
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 8.00 cm long, What average force was exerted on the nail by the hammer
A 3.5 m long horizontal rod has two forces applied to it. One on the far left corner with a force of 4N at 60 degrees downward, find the magnitude and direction of the force in the pin
Let's say you measure an average acceleration to be 0.4045 ms-2. What is the height (in centimeters) of the riser block
Suppose a duck lives in a universe in which h = 2? J · s. The duck has a mass of 2.55 kg and is initially known to be within a pond 1.65 m wide. determine the uncertainty in the duck's position after this time interval
A series circuit is made up of a 400 ohm resistor, a 3 henry inductor and a 8 microfarad capacitor all placed in series. Determine the steady state current flowing in this circuit
A block with mass = 5.00 slides down a surface inclined 36.9 to the horizontal (the figure (Figure 1) ). The coefficient of kinetic friction is 0.26. A string attached to the block is wrapped around a flywheel on a fixed axis at . The flywheel has..
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
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