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The coefficient of kinetic friction among the object and the horizontal surface it slides on is 0.60. No other horizontal forces act on the object. Supposing all forces remain constant, find out how
The quarterback releasees the football with the speed of 50 ft/sec at the angle of 70 degrees with horizontal. Find horizontal and vertical components of vector which is described.
Magnitudes and directions of two forces are 80lb S 60 degrees E and 50lb N 74 degrees E respectively. Determine magnitude and direction of resultant force.
The luxury liner leaves port on the bearing of N 100 degrees E and travels 12mi. It then turns due East and travels 4mi. How far is liner from port, and determine its bearing from port?
Over the course of 20 years, temperature in the small town is recorded every day. Write the equation which models average temperature of town in terms of days.
At Apple Tree Snacks, the snack mix worth $7/lb is merged with macadamia nuts worth $10/lb to get the 30 lb mixture worth $8.30 per pound. How much of each kind of ingredient was utilized?
Determine the pH become if 20.% of the carbonic acid molecules are transformed to the bicarbonate ions?Determine the pH become if 18% of the bicarbonate ions are transformed to carbonic acid?
The block of wood floats in fresh water with 0.596 of its volume V submerged and in oil with 0.855 V submerged. Determine the density of (i) the wood and (ii) the oil.
The mass of a tennis ball is 57.0 g, and the ball is usually in contact with the tennis racquet for 30.0 ms , with the ball beginning from rest. Draw a free-body diagram of the tennis ball throughou
She puts twice as much in lower-yielding account as it is less risky. Her annual interest is 6656 dollars. How much did invest at every rate?
Consider the concentration of a solution of lactic acid, (HC3H5O3). The pH of the solution was 2.27. Calculate the concentration of the solution? The Kaof lactic acid is 1.4 x 10-4.
Calculate the hydronium-ion concentration of a 2.51 x 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 x 10-4?
The movie theater has the seating capacity of 349. If total ticket sales was $ 2542, Find number of children, students, and adults attended?
The solution of acetic acid (HC2H3O2) on a laboratory ridge was of undecided concentration. If the pH of the solution was given 2.81, determine the original concentration of the acetic acid?
Determine how much ice in grams would have to melt at the lower temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Suppose the density of water is 1.00 g/ml, the heat of fusion for w
Determine the number of heat in kilojoules is developed in converting 3the 6.0 g steam at 180 degrees C. to ice at -60 degrees C. (where the heat capacity of steam is 1.184 J/g-c and the ice is 2.09
The scholarship fund gets the gift of $ 145000. Money is invested in stocks, bonds, and CDs. How much was invested in each account?
A beam of laser light having wavelength 612 nm is directed via a slab of glass with index of refraction 1.5. (a) For what least incident angle would a ray of light undergo net internal reflection?
The wavelength of a red laser pointer light of 808 nm. In the form of visible radiation if the laser emits 7.50E-4 J of energy in per second, than calculate the number of moles of photons in per se
The detergents contains some of the compounds that have a suffocate group on its place of a carboxylate. Identifies that why do detergents work better comparison the soaps at all the pH ranges?
Count in the bateria culture was 100 after 20 minutes and 1800 after 30 minutes. Suppose count grows exponentially. Determine the population after 110 minutes.
Identifies some of the possible side products which is absorbed from an aldol condensation reaction, where a benzaldehyde reacts with an acetone molecule. Determine at least three of them. .
Determine the molarity of a solution which is made by dissolving 48.2g of Magnesium Bisulfate in sufficient water to produce the 300 mL of solution?
A collapsible vessel which is having the volume of 40.0 L 1.31 mole of dry nitrogen at an unknown temperature and have the pressure of 710 mmHg.
They are labeled consecutively and a 10V battery is joined to nodes 1 and 3 (in another words, there are 2 resistors between the battery on one side of the hexagon, and 4 on the other side of the he