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The atomic mass of ammonia is 17 atomic mass units. What is the atomic mass of nitrogen if a molecule of ammonia consists of one atom of nitrogen and three atoms of hydrogen?
a. -14 amu. b. 20 amu c. 14 amu. d. -20 amu.
Vector A has a magnitude of 116 units and points 37.0 ° north of west. Vector B points 69.0 ° east of north. Vector C points 17.0 ° west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitud..
A transverse wave propagates in the positive x-axis with a wavelength of .3m and a period of .001s. What is the frequency and speed of this wave
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
The ball rolls off the edge and falls a vertical distance of 2.00 m before hitting the floor. Illustrate what is the angular displacement of the ball while the ball is in the air?
A 10.7 kg bucket of water is suspended by a very light rope wrapped around a solid uniform cylinder 0.32 m in diameter with mass 14.2 kg. Calculate the torque due to the bucket of water
A hiker, who weighs 900 N, is strolling through the woods and crosses a small horizontal bridge. What is the magnitude of the force
After placing the iron (0.750 kg) in the fire and shaping it, it is still at 200 C. He puts the piece in 8 L bucket of water at 25 degree celsius. What is the final temperature of iron
An iron bolt of mass 60.0 g hangs from a string 33.1 cm long. The top end of string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 27.0 cm to the right from the previously vertical l..
The little Dutch boy saved Holland by sticking his finger in the leaking dike. If the water level was 2.5 m above his finger, estimate force of the water on his finger
A 15m length of wire consists of 6.0m of copper followed by 9.0m of aluminum, both diameter 1.4mm. A voltage difference of 70mV is placed across the composite wire, What is the total resistance (sum) of the two wires
A car accelerates from rest to a speed of 19.0m/s in 6.00 seconds. If the car weighs 16000N, what average power must the motor produce to cause this acceleration
What is the terminal speed at which the bar falls.
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