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1. A 2180-kg car is slowed down uniformly from 24.6 m/s to 5.2 m/s in 3.87 s. (a
1. A 2180-kg car is slowed down uniformly from 24.6 m/s to 5.2 m/s in 3.87 s. (a) What absolute value of the average total force acted on the car during this time? (Note: your ans…
1. A 22 year-old biologist makes a trip to study life forms in a distant planet
1. A 22 year-old biologist makes a trip to study life forms in a distant planet 17 light-years away. The round trip including a stay of 1 year in the distant planet takes 38 years…
1. A 220. L kiln is used for vitrifying ceramics. It is currently operating at 1
1. A 220. L kiln is used for vitrifying ceramics. It is currently operating at 1175 C , and the pressure is 1.100 atm . How many moles of air molecules are within the confines of …
1. A 23-y/o female comes in with her newborn infant (born at home without proper
1. A 23-y/o female comes in with her newborn infant (born at home without proper medical attention). She says her infant has an eye infection and she has vaginitis. Culturing from…
1. A 24.5 kg child sits on a bathroom scale which is placed on the seat of a swi
1. A 24.5 kg child sits on a bathroom scale which is placed on the seat of a swing. What does the scale read when the swing is at rest? The child begins to swing back and forth …
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. Th
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 …
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. Th
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 …
1. A 25 mm hose is used to siphon water from a tank. a. How long does it take to
1. A 25 mm hose is used to siphon water from a tank. a. How long does it take to fill a 10 liter bucket? b. As water rises in a siphon tube its pressure drops. It i…
1. A 25-year maturity mortgage-backed bond is issued. The bond has a par value o
1. A 25-year maturity mortgage-backed bond is issued. The bond has a par value of $10,000 and promises to pay an 8 percent annual coupon. Assume that 20 years after the bond is is…
1. A 25.0-Ohm light bulb is connected across the terminals of a 12.0-V battery h
1. A 25.0-Ohm light bulb is connected across the terminals of a 12.0-V battery having 3.50 Ohm of internal resistance. a) What is current in the circuit? b) What is the rate of co…
1. A 2575 kg demolition ball swings from the end of a crane, The length of the s
1. A 2575 kg demolition ball swings from the end of a crane, The length of the swinging segment of cable is 15 m. Assuming the system can be treated as a simple pendulum what is t…
1. A 25g ice cube, when left outside on a summer day, will spontaneously melt. D
1. A 25g ice cube, when left outside on a summer day, will spontaneously melt. During this process, the temperatures of both the ice cube (0oC) and the surroundings (30oC) remain…
1. A 26-yo woman comes to your office complaining of sharp pain to her thigh. As
1. A 26-yo woman comes to your office complaining of sharp pain to her thigh. Assuming that the pain is of skeletal origin, this pain is MOST LIKELY to be carried in neurons that …
1. A 265-kV power transmission line carrying 584 A is hung from grounded metal t
1. A 265-kV power transmission line carrying 584 A is hung from grounded metal towers by ceramic insulators, each having a 1.08×109 resistance. Calculate the power dissipated by 7…
1. A 28.7 kg block (m1) is on a horizontal surface, connected to a 7.0 kg block
1. A 28.7 kg block (m1) is on a horizontal surface, connected to a 7.0 kg block (m2) by a massless string as shown below. The frictionless pulley has a radius R = 0.069 m and a mo…
1. A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collide
1. A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the tra…
1. A 29.3 mL sample of 0.369 M ethylamine , C 2 H 5 NH 2 , is titrated with 0.20
1. A 29.3 mL sample of 0.369 M ethylamine, C2H5NH2, is titrated with 0.205 M hydrochloric acid. After adding 74.4 mL of hydrochloric acid, the pH is: 2. A 26.4 mL sample of 0.296 …
1. A 2N-point DFT is applied on a 2N-point time-domain vector. The first N point
1. A 2N-point DFT is applied on a 2N-point time-domain vector. The first N points in that vector consist of a sampled sinewave with period M samples and N=iM. The last N samples a…
1. A 2m straight wire carrying 5A current runs horizontally and experienced 8N h
1. A 2m straight wire carrying 5A current runs horizontally and experienced 8N horizontal force while in a 2 T magnetic field. Find direction of the magnetic field with respect to…
1. A 3 x 5 table is considered to test the association of two variables having 3
1. A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is t…
1. A 3 x 5 table is considered to test the association of two variables having 3
1. A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is t…
1. A 3-kg block of wood is floating in water.What is the magnitude of the buoyan
1. A 3-kg block of wood is floating in water.What is the magnitude of the buoyant force acting on the block? A.2.9 N B, 9.8 N 30N C.29.8 N E.ON -3.DKg9.91hog-a9.SN 0 m 2. A manufa…
1. A 3.0-kg ball with an initial velocity of (4i +3j) m/s collides with a wall a
1. A 3.0-kg ball with an initial velocity of (4i +3j) m/s collides with a wall and rebounds with a velocity of (-4i+3j) m/s. What is the impulse exerted on the ball by the wall? 2…
1. A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly ine
1. A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inelastic collision with a 6.0 kg object moving to the left at 2.0 m/s. What is the total kinetic ener…
1. A 3.00 kg block moves down a 25 degree incline at constantvelocity. Find the
1. A 3.00 kg block moves down a 25 degree incline at constantvelocity. Find the coefficient of kinetic friction between theblock and the incline. (g= 9.81 m/s2) 2. A crate of book…
1. A 3.00 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 6
1. A 3.00 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with…
1. A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured
1. A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 18.0 C is 1.95 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask? E…
1. A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured
1. A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 18.0 C is 1.95 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask? E…
1. A 3.02 kg particle has the xy coordinates (-1.31 m, 0.182 m), and a 5.94 kg p
1. A 3.02 kg particle has the xy coordinates (-1.31 m, 0.182 m), and a 5.94 kg particle has the xy coordinates (0.209 m, -0.251 m). Both lie on a horizontal plane. At what (a) x a…
1. A 3.0kg body is at rest on a frictionless horizontal air track when a constan
1. A 3.0kg body is at rest on a frictionless horizontal air track when a constant horizontal force F acting in the positive direction of an x axis along the track is applied to th…
1. A 3.285-g sample of an oxide of Ru contains 2.655 g Ru. What is the empirical
1. A 3.285-g sample of an oxide of Ru contains 2.655 g Ru. What is the empirical formula of the oxide? 2. What is the empirical formula of a hydrocarbon if complete combustion or …
1. A 3.42kg object connected to a ceiling by a spring (with a spring constant of
1. A 3.42kg object connected to a ceiling by a spring (with a spring constant of 12 N/m) on Earth experiences simple harmonic motion. what is the period of oscillation of this exp…
1. A 3.50 g bullet is firedhorizontally at two blocks resting on a smooth surfac
1. A 3.50 g bullet is firedhorizontally at two blocks resting on a smooth surface. The bullet passes through the first block,with mass 1.20 kg and embeds itself in the …
1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery
1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery.(a) Find the charge on the capacitor. (b) Find the potential energy of the charged capacitor. *Cor…
1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery
1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery.(a) Find the charge on the capacitor. (b) Find the potential energy of the charged capacitor. *Cor…
1. A 30 V battery is connected to a resistor that is rated at 250 with a mass of
1. A 30 V battery is connected to a resistor that is rated at 250 with a mass of 0.5 grams and a length of 1 cm. What magnetic field strength will cause this resistor to "levitate…
1. A 30 mA current source with an internal resistance ( R S ) of 300 ? is connec
1. A 30 mA current source with an internal resistance (RS) of 300 ? is connected to a 600 ? load (RL). The voltage drop across the load (VL) is 8 V 12 V 6 V 3 V 2. A 15-V voltage …
1. A 30-year 6% semi-annual coupon bond has a tenor of 18 years and a yield to m
1. A 30-year 6% semi-annual coupon bond has a tenor of 18 years and a yield to maturity of 7.2%. If the PAR value of the bond is $1000, what is the price of the bond today? 2. A 3…
1. A 30.0-g metal ball having net charge Q = 5.00 µC is thrown out of a window h
1. A 30.0-g metal ball having net charge Q = 5.00 µC is thrown out of a window horizontally at a speed v = 20.0 m/s. The window is at a height h = 20.0 m above the ground. A unifo…
1. A 30.0-kg child starting from rest slides down a water slide with a vertical
1. A 30.0-kg child starting from rest slides down a water slide with a vertical height of 20.0m. If friction is ignored, a) find the child's speed halfway down the slide's vertica…
1. A 300 g block is attached to alight horizontal spring. The block is free to s
1. A 300 g block is attached to alight horizontal spring. The block is free to slide on ahorizontal table. A force of 25 N compresses the spring 20cm. a. A. What is the…
1. A 31kg child slides down a playground slide at a constant speed . The slide h
1. A 31kg child slides down a playground slide at aconstant speed. The slide has a height of 3.6mand is 7.4m long. Using the law of conservation of energy, find the magnitude of t…
1. A 32-year-old woman was admitted to the hospital with acute gastrointestinal
1. A 32-year-old woman was admitted to the hospital with acute gastrointestinal bleeding. Her hematocrit was 0.16 (16%) (reference range 0.33-0.43 [33%-43%). Pretransfusion testin…
1. A 33 year old man, a new admission from the medical-surgical unit to the step
1. A 33 year old man, a new admission from the medical-surgical unit to the step-down critical care unit, underwent a thyroidectomy 2 days ago. While reviewing the orders, you…
1. A 33-? resistor has a voltage difference of 8 V across its leads. (a) What is
1. A 33-? resistor has a voltage difference of 8 V across its leads. (a) What is the current through the resistor? ________ A (b) What is the power being dissipated in this resist…
1. A 334 mL cylinder contains 5.225 g of Helium at 23 °C. How many grams of He m
1. A 334 mL cylinder contains 5.225 g of Helium at 23 °C. How many grams of He must be released to reduce the pressure to 75 atm? (Show all work.) 2. Place the following gases in …
1. A 34.32 mL sample of O 2 gas was collected over water at 24 o C from the deco
1. A 34.32 mL sample of O2 gas was collected over water at 24 oC from the decomposition of hydrogen peroxide. The barometric pressure in the room that day was 746.32 torr. A. Calc…
1. A 35 Kg pack is carried up a 2200 m-High Mountain in 8 hours a) How much work
1. A 35 Kg pack is carried up a 2200 m-High Mountain in 8 hours a) How much work is done? b) What is the power applied in this case? 2. An object of mass 450 Kg is raised to a hig…
1. A 35 turn coil ofradius 4.9 cm rotates in a uniformmagnetic field having a ma
1. A 35 turn coil ofradius 4.9 cm rotates in a uniformmagnetic field having a magnitude of 0.52 T. If the coil carries a current of35 mA, find the magnitude of themaximum torque…
1. A 36 year old female severed a tendon in her hand by accidentally walking int
1. A 36 year old female severed a tendon in her hand by accidentally walking into a patio door, breaking the glass and causing injury. Surgery was required to suture the tendon to…