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Bob walks 250 m south, then jogs 560 m southwest, then walks 250 m in a direction 25 degrees east of north.
Use either trigonometry or components to find the displacement that will return Bob to his starting point by the most direct route. Give your answer as a distance.
Find the direction of the displacement that will return Bob to his starting point by the most direct route.
Purchased inventory that cost $2,200 on account from Blue Co. under terms 1/10, n/30. The merchandise was delivered FOB shipping point. Freight costs of $110 were paid in cash
Point P is at a potential of 500.0 kV and point S is at a potential of 200.0 kV. by how much does its kinetic energy change
The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0230 mol gaseous NH3 and 0.0250 mol gaseous O2
Identify what types of trends you should be aware of in the industry and who the primary competitors are.
A particle starts from the origin with velocity 9 m/s at t = 0 and moves in the xy plane with a varying acceleration given by = (9?t) m/s2
A 76.0 kg boulder is rolling horizontally at the top of a vertical cliff that is 20.0 m above the surface of a lake, How far from the foot of the dam does the rock hit the plain
Consider the following chemical equation. H2(g) + I2(g) ? HI(g) Assuming all gases are at the same temperature and pressure, how many milliliters of hydrogen iodide are produced from 725 mL of H2
Prepare entries necessary to classify the amounts into proper accounts, assuming that all the securities are classified as available-for-sale and prepare the entry to record the accrued interest and the amortization of premium on December 31, 2010..
A brick is thrown at a speed of 72 mph at a wall that is 15 ft away. How much force does the wall exert on the brick and in what direction
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: 1) Cl2 ? 2 Cl (fast, reversible) 2) Cl + CHCl3 ? HCl + CCl3 (slow) 3) Cl + CCl3 ? CCl4 (fast) What rate law does this mechanism predict
Two atomic clocks are synchronized while on Earth before one is launched (within a GPS satellite) into a medium-altitude Earth orbit. estimate the time difference between the two atomic clocks
The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. what is the speed of the particle
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
If atmospheric pressure is 29.5 feet of water, what is the pressure in bars at the bottom of a 3 meter deep swimming pool
A toroid having a 7.2 cm square cross section and inside radius of 22.8 cm has 170 turns of wire and carries a current of 1.8 A. What is the magnetic flux through the cross section
the following frequency distribution analyzes the scores on a test. find the class boundaries of scores interval
The output signal intensity of the transducer is 40 Watt / cm2. The echo returning from a reflector deep inside the patient is 0.025 Watt / cm2. How many dB is the ratio of output signal to echo?
A Sodium surface, which has a work function ? of 2.46 eV is illuminated with ? = 300nm light. Find the threshold frequency for Sodium
The quantity of charge q (in coulombs) that has passed through a surface of area 1.92 cm2 varies with time according to the equation q = 4t3 + 5t + 6, What is the instantaneous current through the surface at t = 1.02 s
The first mass M (9.50 kg) is sitting on an inclined plane whose angle above the horizontal is 35 degrees. What is the minimum mass, m, in kg, needed to keep the block from sliding down the incline
Suppose a crate of mass 8.4 kg is placed on the plank in the figure below at a distance x = 8.3 m from the left end. find the forces exerted by the two supports on the plank
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