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1. A car travels up a hill at a constant speed of 15 km/h and returns down the h

1. A car travels up a hill at a constant speed of 15 km/h and returns down the hill at a constant speed of 47 km/h. Calculate the average speed for the round trip. 2. In 1 km race…

1. A car undergoes a displacement of 500m due east, followed by another displace

1. A car undergoes a displacement of 500m due east, followed by another displacement due south of 1200m. a) Calculate the total distance traversed by the car A)St=s1+s2=500+1200=1…

1. A car undergoes a displacement of 500m due east, followed by another displace

1. A car undergoes a displacement of 500m due east, followed by another displacement due south of 1200m. a) Calculate the total distance traversed by the car b) Calculate the tota…

1. A car wash with two bays has a pump supplying water pressure to the spray hea

1. A car wash with two bays has a pump supplying water pressure to the spray heads. If both bays are in use or if one bay requires a second set of heads for a tall truck, a second…

1. A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its

1.   A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum? 2. Two ice skaters stand face to face and "push off" and travel directly away from each…

1. A car weighing 15000N traveling 20m/s collides with a tree (in the image abov

1. A car weighing 15000N traveling 20m/s collides with a tree (in the image above). The time of collision was 0.00035 seconds. What was the average force experienced in the collis…

1. A car with 60 cm diameter tires is traveling at a constant speed of 100 km/hr

1. A car with 60 cm diameter tires is traveling at a constant speed of 100 km/hr. What is the angular velocity of the tires in rad/s? 2. A 3kg ball is traveling in a circle of rad…

1. A car with mass m=1500 kg has a motor that can exert a force Fe =2800 N on it

1. A car with mass m=1500 kg has a motor that can exert a force Fe =2800 N on it. With the car initially at rest, the motor is engaged at full throttle. You can neglect the drag f…

1. A car, initially at rest, accelerates at 2.9 m/s 2 for a total of 5.1 s. How

1. A car, initially at rest, accelerates at 2.9 m/s2 for a total of 5.1 s. How far did it travel in this time? 2. What acceleration does a baseball of mass 0.33 kg experience when…

1. A car\'s maximum acceleration can be modeled very accurately if you know the

1. A car's maximum acceleration can be modeled very accurately if you know the power that it's engine can produce as a function of time. The car's velocity is then 2Pt 0 where P i…

1. A car\'s maximum acceleration can be modeled very accurately if you know the

1. A car's maximum acceleration can be modeled very accurately if you know the power that it's engine can produce as a function of time. The car's velocity is then 2Pt 0 where P i…

1. A carbohydrate consists of (a) amino acid units. (b) one or more sugar units.

1. A carbohydrate consists of (a) amino acid units. (b) one or more sugar units. (c) lipid droplets. (d) glycerol. 6. Rich sources of stored energy that are dissolvable in organic…

1. A cargo plane is flying horizontally at an altitude of 20.0 km with a speed o

1. A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air re…

1. A cars wheels starts from rest and accelerate to 210 rpm in .73 seconds. a.)

1. A cars wheels starts from rest and accelerate to 210 rpm in .73 seconds. a.) Find angular acceleration in radians/sec^2 b.) Find the revolutions completed in the time interval …

1. A cart on a horizontal track is attached via a string and pulley to a hanging

1. A cart on a horizontal track is attached via a string and pulley to a hanging weight.The weight of the hanging mass is .2 kg and the cart accelerates at 3.8 m/s2.What is the ma…

1. A carton of eggs rests on the seat of a car moving at 20 m/s. What is the lea

1. A carton of eggs rests on the seat of a car moving at 20 m/s. What is the least distance in which the car can uniformly slow if the eggs are not to slide? The coefficient of st…

1. A case-control study was performed to determine whether head injury was assoc

1. A case-control study was performed to determine whether head injury was associated with an increased risk of brain tumors in children. 200 cases with brain cancer were identifi…

1. A casserole baked at 475 degrees Fahrenheit (F) is removed from the oven at 6

1. A casserole baked at 475 degrees Fahrenheit (F) is removed from the oven at 6:00 pm into a room that is a constant 60 degrees F. After 5 minutes, the casserole is at 300 degree…

1. A catalytic reactor is used to produce formaldehyde from methanol by the reac

1. A catalytic reactor is used to produce formaldehyde from methanol by the reaction: CH3OH HCHO right arrow H2 The gases exit the reactor at 343 degree C and 13.7 atm with the fo…

1. A catapult launches a test rocket vertically upward from a well, giving the r

1. A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 79.8 m/s at ground level. The engines then fire, and the rocket accelerat…

1. A catering company needs to serve to 100 people for with the lowest budget B.

1. A catering company needs to serve to 100 people for with the lowest budget B. They need to provide the food, F, as well as the cooking staff, S (can have partial units of F and…

1. A ceiling fan is turned on and a net torque of 1.8 N · m is applied to the bl

1. A ceiling fan is turned on and a net torque of 1.8 N · m is applied to the blades. The blades have a total moment of inertia of 0.20 kg · m2. What is the angular acceleration o…

1. A cell does not have the sister chromatids properly attached to the spindle f

1. A cell does not have the sister chromatids properly attached to the spindle fibers. What statement would be true for this cell: A. it would be stuck in G1 phase B. it would be …

1. A cell must expend energy to produce a concentration gradient. ______________

1. A cell must expend energy to produce a concentration gradient. __________________ True False 1 points    QUESTION 2 A(n) closed system does not exchange energy with its surroun…

1. A cell needs to produce more Tyrosine Kinase, an enzyme, in order to break do

1. A cell needs to produce more Tyrosine Kinase, an enzyme, in order to break down certain molecules, how the cell do this? 2. Compare and contrast the different ways a cell might…

1. A cell possessing two nuclei derived from different cells through cell fusion

1. A cell possessing two nuclei derived from different cells through cell fusion is called Select one: a. recombinant. b. None of the above is correct. c. nonrecombinant. d. a het…

1. A cell where electricty is used to make the reactions run in a nonspontaneous

1. A cell where electricty is used to make the reactions run in a nonspontaneous direction is a__ cell. A) Avogadro B) Electrolytic C) Galvanic D) Voltaic 2. Alkaline batteries us…

1. A central issue that society must deal with regarding health care: a. Concern

1. A central issue that society must deal with regarding health care: a. Concerns that optimal mix of expenditures for the various categories of health care (prescription drugs, n…

1. A central power plant, whether the energy source is nuclear or fossil fuel, i

1. A central power plant, whether the energy source is nuclear or fossil fuel, is a heat engine operating between the temperatures of the reactor or furnace and the surroundings, …

1. A centrifuge is a common laboratory instrument that separates components of d

1. A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a…

1. A cereal company is marketing a product that contains only 100 calories. You

1. A cereal company is marketing a product that contains only 100 calories. You want to test the hypothesis that in fact their product on average does has 100 calories. You go out…

1. A certain LCD projector contains a single thin lens. An object 24.2 mm high i

1. A certain LCD projector contains a single thin lens. An object 24.2 mm high is to be projected so that its image fills a screen 1.80 m high. The object-to-screen distance is 3.…

1. A certain RAM memory has a capacity of 8K X 16. a) How many memory cells ( lo

1.       A certain RAM memory has a capacity of 8K X 16. a)       How many memory cells (locations) does this RAM have? b)       How many bits will be required to specify the addr…

1. A certain car is capable of accelerating at a rate of 0.55 m/s 2 . How long d

1. A certain car is capable of accelerating at a rate of 0.55 m/s2. How long does it take for this car to go from a speed of 33 mi/h to a speed of 51 mi/h? in seconds 2. An object…

1. A certain car is capable of accelerating at a rate of+0.70m/s 2 . How long do

1. A certain car is capable of accelerating at a rate of+0.70m/s2. How long does it take for this car to go from aspeed of 25 mi/h to a speed of85 mi/h? 2.A certain freely falling…

1. A certain car is capable of accelerating at a uniform rateof 0.85m/s 2 . What

1. A certain car is capable of accelerating at a uniform rateof 0.85m/s2.     What is the magnitude of the car'sdisplacement as it acclerates uniformly from a     speed of 80 km/h…

1. A certain car is capable of accelerating at a uniform rateof 0.85m/s 2 . What

1. A certain car is capable of accelerating at a uniform rateof 0.85m/s2.     What is the magnitude of the car'sdisplacement as it acclerates uniformly from a     speed of 80 km/h…

1. A certain community at the middle income level generates wastewater, a daily

1. A certain community at the middle income level generates wastewater, a daily flow rate of 2.80 x 101 uday into a pipe A. Pipe B, contributes flow from another high income commu…

1. A certain compound microscope magnifies an image 1200 times. If the eyepiece

1. A certain compound microscope magnifies an image 1200 times. If the eyepiece is replaced with a lense with twice the power, the image will be magnified by a factor of ? 2. If t…

1. A certain diet doctor encourages people to diet by drinking ice water. His th

1. A certain diet doctor encourages people to diet by drinking ice water. His theory is that the body must burn off enough fat to raise the temperature of the water from 0.00°C to…

1. A certain flight arrives on time 78% of the time. Suppose 112 flights are ran

1. A certain flight arrives on time 78% of the time. Suppose 112 flights are randomly selected. Use normal approximation to the binomial to approximate the probability that the ch…

1. A certain gamma-ray source emits photons that have a 20% chance of being foun

1. A certain gamma-ray source emits photons that have a 20% chance of being found as an electron-positron pair. The source emits 400 photons. How many individual material particle…

1. A certain hash function for a string of characters C-c0c1 . . .Gn-1 is given

1. A certain hash function for a string of characters C-c0c1 . . .Gn-1 is given by: m_ hash(C)Xex3 C¡ x 31(m-imod 232 (a) Suppose we want to find the first occurrence of a string …

1. A certain lake containing the invasive species zebra mussels is considered \"

1. A certain lake containing the invasive species zebra mussels is considered "healthy" if the average number of zebra mussels per acre is less than or equal to 100,000. If the av…

1. A certain length of wire carrying a current of 7.68 A is oriented horizontall

1. A certain length of wire carrying a current of 7.68 A is oriented horizontally in a region where the earth's magnetic field has a dip angle of 55.0 degrees and a strength of 10…

1. A certain molecule has a characteristic rotational energy of 5.56 e-4 eV. Wha

1. A certain molecule has a characteristic rotational energy of 5.56 e-4 eV. What is the energy of the decay photon towards the state with angular momentum quantum number l = 5? 2…

1. A certain natural product having [?] D + 40.3° was isolated. Two structures h

1. A certain natural product having [?]D + 40.3° was isolated. Two structures have been independently proposed for this compound. Which one do you think is more likely to be corre…

1. A certain protein consisting of a single polypeptide chain has a molecular we

1. A certain protein consisting of a single polypeptide chain has a molecular weight of approximately 31,000. What is the best estimate for the molecular weight of the exons on th…

1. A certain protein contains a relatively large number of arginine and lysine r

1. A certain protein contains a relatively large number of arginine and lysine residues on its surface. Which of the following can be predicted about the purification of this prot…

1. A certain reaction has an activation energy of 54.0 kJ/mol. As the temperatur

1. A certain reaction has an activation energy of 54.0 kJ/mol. As the temperature is increased fromm 22 degree C to a higher temperature, the rate constant increases by a factor o…