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A race car starts from rest on a circular track of radius 490 m. The car's speed increases at the constant rate of 0.740m/s2. find the speed of the race car
How many Micromoles of A- and HA are present in the solution. If you now add 3mL of 1M NaOH, will you still have a valid buffer
A 1.2kg block slides along a frictionless surface at 1.5m/s . A second block, sliding at a faster 4.8m/s, what is the mass of the of the second block
A reaction has a rate constant of 0.0810 sec-1, how much of the compound (in mol/L) is left after 0.752 min, if there was 0.303 mol/L at the start
You shoot a cannon with initial velocity 62.3 m/s at an angle 67 degrees with respect to the level field on which the cannon sits. How far does this cannonball go on level ground
A small, 100g cart is moving at 1.70m/s on an air track when it collides with a larger, 3.00kg cart at rest. what is the speed of the large cart after the collision
Calculate the cost of ingredients to make one gallon of biodiesel from waste vegetable oil (WVO). Assume that all of the waste oil is converted to fatty acid methyl esters and that 1 gallon of WVO y
In a first order decomposition in which the rate constant is 0.00830 sec-1, how long will it take (in minutes) until 0.309 mol/L of the compound is left, if there was 0.517 mol/L at the start
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
A 2.3 kg pendulum bob is pulled out such that its center of mass is 0.26 m above its lowest point and released. What is the gravitational potential energy of the pendulum
Draw complete Lewis structure for following condensed structural formula. (CH3CH2)CO
A 30 kg child is sitting on the outer edge of a 100 kg carousel with a radius of 2.0 m. What is the moment of inertia of the carousel and child
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is tripled and that of Br- is tripled? Just put in the number as
A bicyclist rides 3.19 km due east, while the resistive force from the air has a magnitude of 8.83 N and points due west. Find the work done by the resistive force during the round trip
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
A hollow spherical shell has mass 7.85kg and radius 0.220m. What is the kinetic energy of the shell after it has turned through 7.00rev
A rescue helicopter lifts a 80.7-kg person straight up by means of a cable. Use the work-energy theorem and find the final speed of the person
A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. find With what speed does the ball leave the club
After the Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state. Calculate the average density of the white dwarf
Which is not a characteristic feature of alkanes a. general formula of CnH2n+2 b. tetrahedral geometry
A person pulls a toboggan for a distance of 40.1 m along the snow with a rope directed 21.3 ° above the snow. How much work is done on the toboggan by the tension force
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 4.60rad/s and? = 0.795rad/s3, Calculate the angular acceleration as a function of time
Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3
The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose