Angle of reflection of a reflected ray
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
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A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. find the magnitude of the frictional force exerted on the ladder by the floor
Compute the correlation coefficient between the two variables and interpret this correlation. Refer to both the strength and direction of the correlation in your interpretation. Also interpret the correlation in terms of r-squared (coefficient of
What is the probability that more than 25% of the business travellers say that the reason for their most recent business trip was an internal company visit?
What are the THREE categories of operating expenses reported for fiscal 2011 (include cost of goods sold)?
Prepare a revised balance sheet given the available information. Assume that the accumulated depreciation balance for the buildings is $161,620 and for the office equipment, $106,620.
Equipment with a cost of $83,015.00, an estimated residual value of $4,166.00, and an estimated life of 12 years was depreciated by the straight-line method for 6 years.
a buffer is made using 45.0 of 0.750 M propanoic acid (Ka=1.3x10^-5) and 55.0 ml of 0.700 sodium propanoate. what is the pH of the buffer. what is the pH after 4.91 ml of 1.00 M sodium hydroxide is added
If 2.20 L of a gas at 754 torr and 580 mL of gas at 0.988 atm are combined and allowed to diffuse in a 6.00L container, what is the total pressure of the new system?
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