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A 7.8×10 2 -kg toy airplane is tied to the ceiling with a string. When the airpl
A 7.8×102-kg toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.10 m/s in a horizontal circle of radius 0…
A 7.9 kg block with a speed of 15 m/s collides with a 16 kg block that has a spe
A 7.9 kg block with a speed of 15 m/s collides with a 16 kg block that has a speed of 4.4 m/s in the same direction. After the collision, the 16 kg block is observed to be traveli…
A 7.9-kg cube of copper (c Cu = 386 J/kg-K) has a temperature of 750 K. It is dr
A 7.9-kg cube of copper (cCu = 386 J/kg-K) has a temperature of 750 K. It is dropped into a bucket containing 5.8 kg of water (cwater = 4186 J/kg-K) with an initial temperature of…
A 7.93-g bullet is moving horizontally with a velocity of +345 m/s, where the si
A 7.93-g bullet is moving horizontally with a velocity of +345 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approachin…
A 7.95 g sample of calcium sulfide was decomposed into its constituent elements,
A 7.95 g sample of calcium sulfide was decomposed into its constituent elements, producing 4.42 g of calcium and 3.53 g of sulfur. Which of the following statements are consistent…
A 7.97 gram piece of solid CO2 (dry ice) is allowed to sublime in a balloon. The
A 7.97 gram piece of solid CO2 (dry ice) is allowed to sublime in a balloon. The final volume of the balloon is 1.00 L at 299 K. What is the pressure of the gas? (A) 4.44 atm (B) …
A 7.97g bullet from a 9mm hand gun is travelling at 681.8 miles per hour is shot
A 7.97g bullet from a 9mm hand gun is travelling at 681.8 miles per hour is shot into a large block of ice at 0degrees Celcius. If all the heat generated by friction of the bullet…
A 70 N block and a 35 N block areconnected by a string as shown. If the pulley i
A 70 N block and a 35 N block areconnected by a string as shown. If the pulley is massless and thereis no friction, the magnitude of the acceleration of the 70 N blockis? I kno…
A 70 kg adult could meet her/his entire energy needs for a day by eating 3 moles
A 70 kg adult could meet her/his entire energy needs for a day by eating 3 moles of glucose (540 g; molecular weight of glucose is 180g/mol). Each molecule of glucose generates 30…
A 70 kg and a 97 kg skydiver jump from an airplane at an altitude of 4150 m, bot
A 70 kg and a 97 kg skydiver jump from an airplane at an altitude of 4150 m, both falling in the pike the density of air is 1.21 kg/m2 and the drag coefficient of a skydiver in a …
A 70 kg base runner begins his slide into second base when he is moving at a spe
A 70 kg base runner begins his slide into second base when he is moving at a speed of 4 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that h…
A 70 kg base runner begins his slide into second base when he is moving at a spe
A 70 kg base runner begins his slide into second base when he is moving at a speed of 4 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that h…
A 70 kg base runner begins his slide into second base when moving at a speed of
A 70 kg base runner begins his slide into second base when moving at a speed of 4.0 m/s. The coefficient of kinetic friction between his body and the ground is 0.70. How much tota…
A 70 kg block of ice slides down an incline 5 m long and 3 m high. A man pushes
A 70 kg block of ice slides down an incline 5 m long and 3 m high. A man pushes upward on the ice so that it slides down at constant speed. The coefficient of friction between the…
A 70 kg block of ice slides down an incline 5 m long and 3 m high. A man pushes
A 70 kg block of ice slides down an incline 5 m long and 3 m high. A man pushes upward on the ice so that it slides down at constant speed. The coefficient of friction between the…
A 70 kg boy and a 50 kg girl are balanced on an off-centered seesaw. If they bot
A 70 kg boy and a 50 kg girl are balanced on an off-centered seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will ha…
A 70 kg bungee jumper steps off a bridgt with a light bungee cord tied to her bo
A 70 kg bungee jumper steps off a bridgt with a light bungee cord tied to her body and to the bridge. The unstretched length of the cord is 13.5 m. The jumper reaches reaches the …
A 70 kg human body typically contains 140 g of potassium. Potassium has a chemic
A 70 kg human body typically contains 140 g of potassium. Potassium has a chemical atomic mass of 39.1 u and has three naturally occurring isotopes. One of those isotopes, 40K, is…
A 70 kg human body typically contains 140 g of potassium. Potassium has a chemic
A 70 kg human body typically contains 140 g of potassium. Potassium has a chemical atomic mass of 39.1 u and has three naturally occurring isotopes. One of those isotopes, 40K (po…
A 70 kg mother skates on frictionless ice at 2 m/s to the right, towards her 30
A 70 kg mother skates on frictionless ice at 2 m/s to the right, towards her 30 kg daughter who is skating left at 3 m/s. The mother and daughter meet ("collide") and skate off to…
A 70 kg mother skates on frictionless ice at 2 m/s to the right, towards her 30
A 70 kg mother skates on frictionless ice at 2 m/s to the right, towards her 30 kg daughter who is skating left at 3 m/s. The mother and daughter meet ("collide") and skate off to…
A 70 kg person running for 20 minutes on a treadmill burns 150 kcals. 1) How man
A 70 kg person running for 20 minutes on a treadmill burns 150 kcals. 1) How many minutes per day does he need to run in order to lose 1 pound in a week? 2) How many calories per …
A 70 kg skateboarder wants to just make it to the upper edge of a \"half pipe,\"
A 70 kg skateboarder wants to just make it to the upper edge of a "half pipe," with a radius r, of 2.3 m as shown in the figure below. What speed vidoes he need at the bottom if h…
A 70 kg skier travels 3 km along a slope at constant velocity, increasing their
A 70 kg skier travels 3 km along a slope at constant velocity, increasing their elevation by 30 m. During this time, they experience a constant drag force of 40 N. They then jump …
A 70 kg trampoline artist jumpsvertically upward from the top of a platform with
A 70 kg trampoline artist jumpsvertically upward from the top of a platform with a speed of5.5 m/s. (a) How fast is he going as he lands on the trampoline, 3.0 mbelow? (b) If the …
A 70 kg trunk is pushed 4.2 m atconstant speed up a 30° incline by a constant ho
A 70 kg trunk is pushed 4.2 m atconstant speed up a 30° incline by a constant horizontal force.The coefficient of kinetic friction between the trunk and theincline is 0.15. Calcul…
A 70 kg water skier is being accelerated by a ski boat on a flat (\"gassy\") lak
A 70 kg water skier is being accelerated by a ski boat on a flat ("gassy") lake. The coefficient of kinetic fiction between the skier's skis and the water surface is mu_k 0.32. Wh…
A 70 kg window cleaner uses a 14 kg ladder that is 5.0 m long. He places one end
A 70 kg window cleaner uses a 14 kg ladder that is 5.0 m long. He places one end on the ground 2.3 m from a wall, rests the upper end against a cracked window, and climbs the ladd…
A 70 kg woman and her 35 kg son are standing at rest on an icerink. They push ag
A 70 kg woman and her 35 kg son are standing at rest on an icerink. They push against eachother for a time of 0.6 seconds,causing them to glide apart. The speed of the womanimmedi…
A 70 lb bag of rice is being pulled by a person by applying a force F at an angl
A 70 lb bag of rice is being pulled by a person by applying a force F at an angle as shown. The force required to drag the bag is given by: 6. F()-n0+cos@ where = 0.35 is the fric…
A 70 y/o female who had undergone right total hip replacement presents on the 5t
A 70 y/o female who had undergone right total hip replacement presents on the 5th postoperative day with central chest pain and acute-onset dypsnea. HPI. She has been immobile sin…
A 70 y/o female who had undergone right total hip replacement presents on the 5t
A 70 y/o female who had undergone right total hip replacement presents on the 5th postoperative day with central chest pain and acute-onset dypsnea. HPI. She has been immobile sin…
A 70 y/o female who had undergone right total hip replacement presents on the 5t
A 70 y/o female who had undergone right total hip replacement presents on the 5th postoperative day with central chest pain and acute-onset dypsnea. HPI. She has been immobile sin…
A 70 y/o female who had undergone right total hip replacement presents on the 5t
A 70 y/o female who had undergone right total hip replacement presents on the 5th postoperative day with central chest pain and acute-onset dyspnea. HPI. She has been immobile sin…
A 70 year old man was brought to the emergency room by his son with complaints o
A 70 year old man was brought to the emergency room by his son with complaints of 3 week history of restlessness confusion, fatigue, dyspnea, orthopnea paroxysmal nocturnal dyspne…
A 70 year old man was brought to the emergency room by his son with complaints o
A 70 year old man was brought to the emergency room by his son with complaints of 3 week history of restlessness, confusion, fatigue, dyspnea, orthopnea, paroxysmal nocturnal dysp…
A 70 year-old man is complaining of severe nausea. He has had problems with pept
A 70 year-old man is complaining of severe nausea. He has had problems with peptic ulcer disease and has been having similar pain for the past two weeks. Rather than seeing a phys…
A 70%-owned subsidiary company regularly sells merchandise to its parent (upstre
A 70%-owned subsidiary company regularly sells merchandise to its parent (upstream transaction). Which of the following statements describes the computation of noncontrolling inte…
A 70-kg astronaut floating in space in a M = 118 -kg MMU (manned maneuvering uni
A 70-kg astronaut floating in space in a M = 118 -kg MMU (manned maneuvering unit) experiences an acceleration of 3.00×102 m/s2 when he fires one of the MMU's thrusters. Part A. I…
A 70-kg astronaut is space-walking outside the space capsuleand is stationary wh
A 70-kg astronaut is space-walking outside the space capsuleand is stationary when a tether line breaks. As a means ofreturning to the capsule he throws a 2.0 kj space hammer at a…
A 70-kg circus performer is fired from a cannon that is elevated at an angle of
A 70-kg circus performer is fired from a cannon that is elevated at an angle of 38° above the horizontal. The cannon uses strong elastic bands to propel the performer, much in the…
A 70-kg circus performer is fired from a cannon that is elevated at an angle of
A 70-kg circus performer is fired from a cannon that is elevated at an angle of 42° above the horizontal. The cannon uses strong elastic bands to propel the performer, much in the…
A 70-kg individual drinks 2 L/day from a pond outside his house. What he is not
A 70-kg individual drinks 2 L/day from a pond outside his house. What he is not aware of is that a factory upstream dumps dichloroethylene in the stream feeding his pond. Assume t…
A 70-kg person has a total blood volume of 5.0L. What volume (in mL) of 6.0 M HC
A 70-kg person has a total blood volume of 5.0L. What volume (in mL) of 6.0 M HCl could be neutralized by blood without the blood pH dropping below 7.0? Carbonic acid has a pKa of…
A 70-kg person, starting from rest, jumps vertically downward onto a trampoline
A 70-kg person, starting from rest, jumps vertically downward onto a trampoline 3-m below his starting point. Assume that the trampoline acts like a spring, and that it stretches …
A 70-turn circular coil has diameter 4.3 cm and resistance 2.5 . This coil is pl
A 70-turn circular coil has diameter 4.3 cm and resistance 2.5 . This coil is placed inside a solenoid, with coil and solenoid axes aligned. The solenoid has 4900 turns of wire an…
A 70-year-old woman with a 2-year history of angina pectoris is admitted to hosp
A 70-year-old woman with a 2-year history of angina pectoris is admitted to hospital with excruciating substernal chest pain that is not relieved by medication. Physical examinati…
A 70.0 c m wire of mass 8.20 g is tied at both ends and adjusted to a tension of
A 70.0cm wire of mass 8.20g is tied at both ends and adjusted to a tension of 41.0N . A. When it is vibrating in its second overtone, find the frequency at which it is vibrating. …
A 70.0 kg bungee jumper steps off a bridge with a light bungee cord tied to her
A 70.0 kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 12.0 m. She reaches the bottom of her moti…
A 70.0 kg person stands on a scale in an elevator. (a) What does the scale read
A 70.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg)when the elevator is at rest? _____________ kg _____________ N (b) What does it rea…