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What is the period of revolution? please give me answer and units to both questions. dont just give me equation
Consider a constant net force of 15.0 N acting on 22 degrees below the x-axis, find the work done by the net force.
A box of mass 12 kg moving on horizontal table. A wrench applies a constant force of 45.0 N that makes 37 degrees above the horizontal. what force do you need to apply to maintain that limit
A ball of mass 0.55 kg moves around a vertical circle of radius 1.2 m. Find the tension of the string T
In a women's 100-m race, accelerating uniformly, Laura takes 1.98 s and Healan 3.17 s to attain their maximum speeds, What is the maximum distance by which Healan is behind Laura
A playground carousel ("merry-go-round") is free to rotate frictionlessly in the horizontal plane (and air resistance is negligible). Find the person's mass
Batteries power much of our modern mobile lifestyle. AA batteries are often rated in units of milliampere hours (mAh). How many Coulombs of charge are contained in a AA battery rated at 1500 mAh
Explain what happens upon addition to a strong acid to the following equilibrium without using the Le Chatelier principle. What happens upon addition of a strong base
A 32 -tall, 6.0 -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water
An amount of 0.500 grams of NH4Cl was added to 50.0 mL of the solution in Problem 1 above. Use the Keq calculated from problem 1 to calculate the pH of this solution.
An unstrained horizontal spring has a length of 0.33 m and a spring constant of 260 N/m. Determine the possible algebraic signs
A 0.13 M solution of a weak monoprotic acid has a pH of 4.11. what is the Ka of this weak monoprotic acid
A block is on a rough horizontal surface. A horizontal force of magnitude 3 N is applied to the block. What is the frictional force exerted on the block
10 mL of 0.1 M NaOH is added to 50 mL of 0.1 M of the hypothetical acid HA. write the chemical equation and calculate the molarity of NaA and HA in the final solution.
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. how deep is the submarine
After 20 min, a reactant has decomposed to 85% of its original concentration. What additional information would allow you to solve for k
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
A 5kg block is accelerated at 3 m/s^2 while fighting a frictional force of 25 N. What force needs to be applied to the block
A 10 N book is placed on a table. a) What is the mass of the book? b) If 20 N of force is needed to keep the book moving at constant velocity, what is the books acceleration
Octane or C8H18 (l) is a component of gasoline. If 35.0 mol O2 (g) in the air is used to burn a sample of octane completely. How many grams of carbon dioxide gas are produced
A string oscillates according to the equation y´ = (0.175 cm) sin[(?/5.0 cm-1)x] cos[(22.6 ? s-1)t]. What is the distance between nodes
What volume of 0.862 M KOH solution is required to make 3.75 L of a solution with pH of 12.8
If the kinetic energy density of a fluid decreases along a horizontal streamline, what happens to the pressure of the fluid
If you used a concentration of 0.0065 M sodium thiosulfate instead of 0.0050 M sodium thiosulfate called for in reaction 1, what effects would this have, if any, on the rate of the reaction
As soon as a traffic light turns green, a car speeds up from rest to 59.0 mi/h with constant acceleration 7.00 mi/h/s. For what time interval is the bicycle ahead of the car