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A 30 keV electron is brought to rest by colliding twice with target nuclei as in
A 30 keV electron is brought to rest by colliding twice with target nuclei as in the figure below. (Assume the nuclei remain stationary.) The wavelength associated with the photon…
A 30 kg block is being hoisted with a pulley that has two radii. The block is li
A 30 kg block is being hoisted with a pulley that has two radii. The block is lifted by rope that wraps around a small hub with radius r = 0.20 m, while someone pulls a second rop…
A 30 kg box is placed on a 15? slope as shown below, and a person pushes on the
A 30 kg box is placed on a 15? slope as shown below, and a person pushes on the box up the slope to keep it from sliding. If the coefficient of static friction is 0.15, what is th…
A 30 kg cart initially moving at 2.0 m/s is pushed with a constant force of 100
A 30 kg cart initially moving at 2.0 m/s is pushed with a constant force of 100 N for a distance of 5m. Mk= .3 for the surface. A) Calculate the work done by friction B) Calculate…
A 30 kg cart initially moving at 2.0 m/s is pushed with a constant force of 100
A 30 kg cart initially moving at 2.0 m/s is pushed with a constant force of 100 N for a distance of 5m. Mk= .3 for the surface. A) Calculate the work done by friction B) Calculate…
A 30 kg child is on a merry go round. The radius of the merry go round is 2.9m.
A 30 kg child is on a merry go round. The radius of the merry go round is 2.9m. The inertia of the merry go round is 450 kg*m^2. The child starts on a pony that is.55 m from the c…
A 30 kg child is sitting on the outer edge of a 100 kg carousel with a radius of
A 30 kg child is sitting on the outer edge of a 100 kg carousel with a radius of 2.0 m. (The carousel can be modeled as a disk and assume it rotates without friction on its axis, …
A 30 kg child swings in a swing supported by one chain 3m long.The tension in th
A 30 kg child swings in a swing supported by one chain 3m long.The tension in the chain at the lowest point is 400N. a) find the child's speed at the lowest point b)now suppose th…
A 30 kg kid is standing halfway to the edge of a 50 kg spinning merry-go-round (
A 30 kg kid is standing halfway to the edge of a 50 kg spinning merry-go-round (MgR) with a radius of 1.2 m. The kid and the MgR are spinning at 4.5 rad/s. a. What can the kid do …
A 30 kg kid is standing halfway to the edge of a 50 kg spinning merry-go-round (
A 30 kg kid is standing halfway to the edge of a 50 kg spinning merry-go-round (MgR) with a radius of 1.2 m. The kid and the MgR are spinning at 4.5 rad/s. a. What can the kid do …
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. T
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. This causes the machine to slide 1.122 meters before coming to a rest. a) What is the machine%u…
A 30 kg object has velocity v_x(t) = 1/2 t^2 - 3/4 t + 5. What is the net force
A 30 kg object has velocity v_x(t) = 1/2 t^2 - 3/4 t + 5. What is the net force acting on the object after 5 s? Let N be the total number of letters in your first and last names, …
A 30 mL solution of TI* (0.45 M) is titrated with 0.60 M Co^3+. The anode is a p
A 30 mL solution of TI* (0.45 M) is titrated with 0.60 M Co^3+. The anode is a platinum wire and the cathode is a saturated silver/silver chloride (Ag/AgCl) reference electrode; b…
A 30 mL solution of TI* (0.45 M) is titrated with 0.60 M Co^3+. The anode is a p
A 30 mL solution of TI* (0.45 M) is titrated with 0.60 M Co^3+. The anode is a platinum wire and the cathode is a saturated silver/silver chloride (Ag/AgCl) reference electrode; b…
A 30 mL solution of Tl + (0.45 M) is titrated with 0.60 M Co 3+ . The anode is a
A 30 mL solution of Tl + (0.45 M) is titrated with 0.60 M Co 3+ . The anode is a platinum wire and the cathode is a saturated silver/silver chloride (Ag/AgCl) reference electrode;…
A 30 ma long, 0.50 cm diameter copper cable running east-west carries an electri
A 30 ma long, 0.50 cm diameter copper cable running east-west carries an electric current of 120 A directed west. At the location of the cable, the Earth's magnetic field is 0.50 …
A 30 mass % solution of sodium chloride in water is diluted to 5 mass % through
A 30 mass % solution of sodium chloride in water is diluted to 5 mass % through the addition of pure water. Using a basis of calculation of 100 kg for the initial solution, you ar…
A 30 turn square coil (length of side 12 cm) with a total resistance of 2.5 W is
A 30 turn square coil (length of side 12 cm) with a total resistance of 2.5 W is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitud…
A 30 wt% Sn-70 wt% Pb alloy is heated to a temperature within the alpha+ liquid
A 30 wt% Sn-70 wt% Pb alloy is heated to a temperature within the alpha+ liquid phase region. If the mass fraction of each phase is 0.5, estimate: (a) The temperature of the alloy…
A 30 year old female has had several episodes, each separated by several months,
A 30 year old female has had several episodes, each separated by several months, in which she experiences brief periods of physical weakness, clumsiness of the legs and hands, vis…
A 30 year old female visited her physician complaining of fatigue, weight gain,
A 30 year old female visited her physician complaining of fatigue, weight gain, diffuse alopecia, hearing impairment, "chills", and an inability to concentrate. The patient had re…
A 30 year old female visited her physician complaining of fatigue, weight gain,
A 30 year old female visited her physician complaining of fatigue, weight gain, diffuse alopecia, hearing impairment, "chills", and an inability to concentrate. The patient had re…
A 30 year old female visits you for counseling--you\'re in your first year of fu
A 30 year old female visits you for counseling--you're in your first year of full-time work as a therapist and have a supervisor that you consult with each week. The client tells …
A 30 year old male comes to see you with a puncture wound on the plantar surface
A 30 year old male comes to see you with a puncture wound on the plantar surface of his foot. Two days ago, he was building a deck in his backyard and stepped on a nail that went …
A 30 year old woman complains of impaired speech and frequent aspiration of food
A 30 year old woman complains of impaired speech and frequent aspiration of food. Physical examination reveals Diplopoda and drooping eyelids. A mediastinal mass is removed and di…
A 30 yr old man presents at the clinic with a red blotchy rash that started on h
A 30 yr old man presents at the clinic with a red blotchy rash that started on his limbs and has spread proximally to his torso. His rash is accompanied by a fever, headache, and …
A 30,000 litre water tank is 2.6m high and 4.33 m in diameter. It has two outlet
A 30,000 litre water tank is 2.6m high and 4.33 m in diameter. It has two outlet pipes, one at the base of the tank and one higher up. The distance between the two means that when…
A 30-L electrical radiator containing heating oil is placed in a 50 m^3 room. Bo
A 30-L electrical radiator containing heating oil is placed in a 50 m^3 room. Both the room and the oil in the radiator are initially at 10degC. The radiator with a rating of 1.8k…
A 30-cm bar is made from putting together three 10-cm bars ofsteel, copper, and
A 30-cm bar is made from putting together three 10-cm bars ofsteel, copper, and aluminum, each having cross-sectional area 4cm2. One end of the steel is in contact with anice-wate…
A 30-kg child runs around the edge of a playground merry-go-round. The merry-go-
A 30-kg child runs around the edge of a playground merry-go-round. The merry-go-round has a mass of 200 kg and a radius of 2.0 m. Consider it to be a uniform solid disk for which …
A 30-kg child runs around the edge of a playground merry-go-round. The merry-go-
A 30-kg child runs around the edge of a playground merry-go-round. The merry-go-round has a mass of 200 kg and a radius of 2.0 m. Consider it to be a uniform solid disk for which …
A 30-kg child runs around the edge of playground merry-go-round. The merry-go-ro
A 30-kg child runs around the edge of playground merry-go-round. The merry-go-round has mass of 200 kg and radius of 2.0 m. Consider it to be uniform solid disk for which = 1/2 mr…
A 30-kg child runs around the edge of playground merry-go-round. The merry-go-ro
A 30-kg child runs around the edge of playground merry-go-round. The merry-go-round has mass of 200 kg and radius of 2.0 m. Consider it to be uniform solid disk for which = 1/2 mr…
A 30-lb vertical force P is applied at A to the bracket shown. which is help by
A 30-lb vertical force P is applied at A to the bracket shown. which is help by screws at B and C. (a) Replace P by an equivalent force-couple system at B. (b) Find the two horizo…
A 30-m tape has a mass of 544 g and is supported only at the ends with a force o
A 30-m tape has a mass of 544 g and is supported only at the ends with a force of 80 N. What is the sag correction? A 100-ft steel tape weighing 1. 8 lb and supported only at the …
A 30-m tape has a mass of 544 g and is supported only at the ends with a force o
A 30-m tape has a mass of 544 g and is supported only at the ends with a force of 80 N. What is the sag correction? A 100-ft steel tape weighing 1. 8 lb and supported only at the …
A 30-m-long rocket train car is traveling from Los Angeles to NewYork at 0.5c wh
A 30-m-long rocket train car is traveling from Los Angeles to NewYork at 0.5c when a light at the center of the car flashes. Whenthe light reaches the front of the car, it immedia…
A 30-m-long rocket train car is travelingfrom Los Angeles to New York at 0.8 c w
A 30-m-long rocket train car is travelingfrom Los Angeles to New York at 0.8c when a light at the center of the carflashes. When the light reaches the front of the car, itimmediat…
A 30-mm square was scribed on the side of a large steel pressure vessel. after p
A 30-mm square was scribed on the side of a large steel pressure vessel. after pressurization the biaxial stress condition at the square is shown. for E= 200Gpa and v= .30, determ…
A 30-month-old male toddler was admitted to the university hospital for investig
A 30-month-old male toddler was admitted to the university hospital for investigation of a complex group of symptoms. The child and parents live four hours away from the hospital.…
A 30-ohm resistor and a 60-ohm resistor are connected in parallel. The two resis
A 30-ohm resistor and a 60-ohm resistor are connected in parallel. The two resistors are then connected in series with a 10-ohm resistor. The entire circuit is then placed across …
A 30-second commercial during Super Bowl XXXIX in 2005 cost advertisers 2.4 mill
A 30-second commercial during Super Bowl XXXIX in 2005 cost advertisers 2.4 million. For the first Super Bowl in 1967, an advertiser could have purchased approximately 26.19 minut…
A 30-story office building (each story is 12 ft tall) is built in a surburban in
A 30-story office building (each story is 12 ft tall) is built in a surburban industrial park. The dynamic pressure, Ïu2/2 half-way up the building is about ____ if the wind blows…
A 30-ton engine exerts a constant horizontal force of 40(10^3)-lb on a train hav
A 30-ton engine exerts a constant horizontal force of 40(10^3)-lb on a train having three cars that have a total weight of 250-tons. If the rolling resistance is 10-lb per ton for…
A 30-turn circular coil of wire has diameter 0.97 m. It is placed with its axis
A 30-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction of the Earth's magnetic field of 56.0 mu T and then in 0.200 s is flipped 180 d…
A 30-turn circular coil of wire has diameter 0.97 m. It is placed with its axis
A 30-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction of the Earth's magnetic field of 56.0 mu T and then in 0.200 s is flipped 180 d…
A 30-uf capacitor is charged to 80 V and then connected across aninitially uncha
A 30-uf capacitor is charged to 80 V and then connected across aninitially uncharged capacitor of unknown capacitance C. If thefinal potential difference across the 30-uf capacito…
A 30-unit apartment building should last 35 years, when it will need to be eithe
A 30-unit apartment building should last 35 years, when it will need to be either replace or undergo major renovation. Assume the building’s value at 35 years will be 10% of its c…
A 30-year loan of L is going to be repaid with annual payments made at the end o
A 30-year loan of L is going to be repaid with annual payments made at the end of the year. The bank charges an annual effective rate of interest of 10% on the loan. . One option …
A 30-year maturity bond has a 8.7% coupon rate, paid annually. It sells today fo
A 30-year maturity bond has a 8.7% coupon rate, paid annually. It sells today for $877.42. A 20-year maturity bond has 8.2% coupon rate, also paid annually. It sells today for $87…