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For some reason I keep getting it wrong I don't know if it's a calculation error. Please show your work so I can see what I'm doing wrong in given problem:
Problem: A floating boat displaces 10m3 of water. What is the net force on the boat?
Please show me how you do the problem. Thanks.
Light of wavelength 640nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 48mm, obtain the separation of the two slits
A cubical box 22cm on a side is constructed from 1.5cm -thick concrete panels. A 100 W lightbulb is sealed inside the box. What is the air temperature inside the box when the light is on if the surrounding air temperature is 20C ?
a rocket starts from rest and moves upward from the surface of the earth. for the first 10s of its motion the vertical
A mass of 12.5 kg is hanging by a steel wire 1.11 m long and 1.03 mm in diameter. If the mass is pulled down slightly and released, what will be the frequency of the resulting oscillations
Using a thin lens with a focal length of f =+5.2cm, a student makes two measurements. She finds the distance to the object to be o =+3.1cm. What distance, i, should she expect for the image? Describe whether this is a real or virtual image using the ..
A certain microwave oven produces microwaves of frequency 2450 MHz with a power of 500 W. How long must it take to heat 519 g of water, initially at room temperature, to the boiling point? Suppose that all the microwave energy is absorbed by the wate..
In a church choir loft, two parallel walls are 5.70 m apart. The singers stand against the north wall. What width of the north wall can she see
In the game of darts, the player stands with feet behind a line2.36 m from a dartboard, with the bull's-eye at eye level. Supposeyou lean across the line, release a dart at eye level 1.74 m from the board, and hit the bullseye.
A banked circular highway curve is designed for traffic moving at 67km/h. The radius of the curve is 209 m. Traffic is moving along highway at 48km/h on a rainy day.
A 2.3-kg cart is rolling along a frictionless, horizontal track towards a 1.7-kg cart that is held initially at rest. The carts are loaded by strong magnets that reason them to attract one another.
a flat sheet of crown glasshas a thickness of 2.2cm. it is on top of a flat sheet ofcrystalline quartz that has a
A nuclear power plant has a maximum steam temperature (T_H) of 310 MW. It produces 410 T_C of electric power in the winter, what's its summertime electric power output
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