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1. Suppose my car engine has a displacement of 350 cubic inches. I wish to compare this with a European car which has a displacement of 1.7 liters. Convert 350 cubic inches to liters.
2. Suppose an astronaut on an alien planet drops a hammer and finds that it falls a total distance of 6.0 yards in 2.0 seconds.
a. How far will the hammer fall in a total of 4.0 seconds?
b. How much time does it take the hammer to drop the first 1.5 yards. (This is 1/4 of the distance it falls in 2.0 seconds.)
3. A bicycle rider is riding on level ground when he stops pedaling and coasts to a stop. Just before he quits pedaling, he is traveling at 9.0 m/s. It takes a time of 6.0 s for him to come to a stop. Determine how far the bike travels after the rider quits pedaling.
An electric heater is used to heat a room of volume 66 m3. Air is brought into the room at 5°C and is completely replaced twice per hour. what minimum wattage must the heater have
The drawing shows an equilateral triangle, each side of which has a length of 2.23 cm. Point charges are fixed to each corner, Determine the charge qA and qB
What is the rms current in a series RC circuit if R = 7.0 k, C = 0.80 µF, and the rms applied voltage is 100 V at 60 Hz and What is the phase angle between voltage and current
A cosmic-ray proton in interstellar space has an energy of 16.5 MeV and executes acircular orbit having a radius equal to that of Earth revolving around the Sun (1.50*1011 m). What is the magnetic field in that region of space?
q1. a street lamp weighs 158 n. it is supported equally by two wires that form an angle of 104 degrees with each other.
A small immersion heater is rated at 352 W. Estimate how long it will take to heat a cup of soup (suppose this is 250 mL of water) from 20°C to 50°C.
Pretend you are a racist, you have this discriminatory belief or phobia. Explain what is being racist? Include an example and explain how it is NOT practicing higher-level thinking. (Intro paragraph)
A block of ice of mass 4.10kg is placed against a horizontal spring that has force constant k = 230N/m and is compressed a distance 2.40×102m. Calculate the work done on the block by the spring
Water at the top of Horseshoe Falls (part of Niagara Falls) is moving horizontally at 8.7m/s as it goes off the edge and plunges 53 m to the pool below. at what angle with respect to the vertical is the falling water moving as it enters the pool
A 12-V battery is connected across a device whose resistance is 24 ohms. Calculate the current in the wire. What is the power dissipated by this load
One hundred turns of (insulated) copper wire are wrapped around a wooden cylindrical core of cross-sectional area 1.20 × 10?3 m2. how much charge flows through a point in the circuit during the change
A spacecraft descends vertically near the surface of Planet X. An upward thrust of 26.0 from its engines slows it down at a rate of 1.20, find the spacecraft's weight near the surface of Planet X
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