Homework Answers
***************************************************************************************************
Check the answer and let me know immediately if you
find something wrong... I will rectify the mistakes asap if
any
Add Answer to:
2. 12 points SerCP10 4.P.006 12 points SercP10 4.P.005. A frelght train has a mass of...
A freight train has a mass of 1.4 ✕ 107 kg. If the locomotive can exert...
A freight train has a mass of 1.4 ✕ 107 kg. If the locomotive can exert a constant pull of 7.1 ✕ 105 N, how long does it take to increase the speed of the train from rest to 88 km/h? (minutes)
.. + -/1 points SerCP10 14.P.025.WI. Two trains on separate tracks move toward each other. Train...
.. + -/1 points SerCP10 14.P.025.WI. Two trains on separate tracks move toward each other. Train 1 has a speed of 117 km/h; train 2, a speed of 73.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?
12. [-12 Points] DETAILS SERCP10 2.P.031. 0/4 Submissions Used A certain aircraft has a liftoff speed...
12. [-12 Points] DETAILS SERCP10 2.P.031. 0/4 Submissions Used A certain aircraft has a liftoff speed of 119 km/h. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 223 m? m/s² (b) How long does it take the aircraft to become airborne? Additional Materials Book
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for...
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for 0.58 min What is its speed at the end of this time? Answer in units of m/s. 006 (part 1 of 2) 10.0 points A glacier advances at 3.5 x 10-6 cm/s. How far will it move in 70000 s? Answer in units of cm. 007 (part 2 of 2) 10.0 points How far will it move in 5.2 y? Answer in units of...
Need Help? Read it Master 5. -/10 points SerCP10 4.P.030. My Notes A block of mass...
Need Help? Read it Master 5. -/10 points SerCP10 4.P.030. My Notes A block of mass m - 5.7 kg is pulled up a 0 -21° incline as in the figure below with a force of magnitude F-35 N. (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.) (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a m2 = 6.60-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle = 32.0°) as shown in the figure. (For aluminum on steel, H = 0.61 and 4x -0.47. For copper on steel, us - 0.53 and x = 0.36.) Aluminum Copper Steel (a) the acceleration...
1/4 points |Previous SerCP10 15.P.023 MI FB A proton accelerates from rest in a uniform electric...
1/4 points |Previous SerCP10 15.P.023 MI FB A proton accelerates from rest in a uniform electric field of 628 N/C. At some later time, its speed is 1.10 x 106 m/s. (a) Find the magnitude of the acceleration of the proton. m/s2 (b) How long does it take the proton to reach this speed? Use the acceleration you calculated in part (a) of this problem to find the time required for the proton to reach the specified speed. ps (c)...
4. -110 points SerCP10 7 P034 A satellite has a mass of 406 kg and is...
4. -110 points SerCP10 7 P034 A satellite has a mass of 406 kg and is located at 2.03 x 106 m above the surface of Earth. (a) What is the potential energy associated with the satellite at this location? (b) What is the magnitude of the gravitational force on the satellite?
005 (part 1 of 4) 10.0 points A block of mass 49 kg slides along a...
005 (part 1 of 4) 10.0 points A block of mass 49 kg slides along a friction- front of it, and moving in the opposite direc- tion with a speed of 13 m/s, is a block of mass 65 kg. A massless spring with spring constant 1566 N/m is attached to the second block as in the figure. 42 m/s 13 m/s 1566 N/m 49 kg 65 kg Before the 49 kg block makes contact with the spring, what is...
6. —-/15 points SerCP10 4.P.038. My Notes Two objects with masses of m,- 2.80 kg and...
6. —-/15 points SerCP10 4.P.038. My Notes Two objects with masses of m,- 2.80 kg and m, - 6,80 kg are connected by a light string that passes over a frictionless pulley, as in the figure below. Ask Your Tea (a) Determine the tension in the string. (Enter the magnitude only. Due to the nature of this problem, do not use rounded intermediate values in your calculations- including answers submitted in WebAssign.) (b) Determine the acceleration of each object. (Enter...
.. + -/1 points SerCP10 14.P.025.WI. Two trains on separate tracks move toward each other. Train 1 has a speed of 117 km/h; train 2, a speed of 73.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?
12. [-12 Points] DETAILS SERCP10 2.P.031. 0/4 Submissions Used A certain aircraft has a liftoff speed of 119 km/h. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 223 m? m/s² (b) How long does it take the aircraft to become airborne? Additional Materials Book
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for 0.58 min What is its speed at the end of this time? Answer in units of m/s. 006 (part 1 of 2) 10.0 points A glacier advances at 3.5 x 10-6 cm/s. How far will it move in 70000 s? Answer in units of cm. 007 (part 2 of 2) 10.0 points How far will it move in 5.2 y? Answer in units of...
Need Help? Read it Master 5. -/10 points SerCP10 4.P.030. My Notes A block of mass m - 5.7 kg is pulled up a 0 -21° incline as in the figure below with a force of magnitude F-35 N. (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.) (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude...
-12 points SerCP10 4.P.067. My Notes Ask Your Teacher Am = 1.70-kg aluminum block and a m2 = 6.60-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle = 32.0°) as shown in the figure. (For aluminum on steel, H = 0.61 and 4x -0.47. For copper on steel, us - 0.53 and x = 0.36.) Aluminum Copper Steel (a) the acceleration...
1/4 points |Previous SerCP10 15.P.023 MI FB A proton accelerates from rest in a uniform electric field of 628 N/C. At some later time, its speed is 1.10 x 106 m/s. (a) Find the magnitude of the acceleration of the proton. m/s2 (b) How long does it take the proton to reach this speed? Use the acceleration you calculated in part (a) of this problem to find the time required for the proton to reach the specified speed. ps (c)...
4. -110 points SerCP10 7 P034 A satellite has a mass of 406 kg and is located at 2.03 x 106 m above the surface of Earth. (a) What is the potential energy associated with the satellite at this location? (b) What is the magnitude of the gravitational force on the satellite?
005 (part 1 of 4) 10.0 points A block of mass 49 kg slides along a friction- front of it, and moving in the opposite direc- tion with a speed of 13 m/s, is a block of mass 65 kg. A massless spring with spring constant 1566 N/m is attached to the second block as in the figure. 42 m/s 13 m/s 1566 N/m 49 kg 65 kg Before the 49 kg block makes contact with the spring, what is...
6. —-/15 points SerCP10 4.P.038. My Notes Two objects with masses of m,- 2.80 kg and m, - 6,80 kg are connected by a light string that passes over a frictionless pulley, as in the figure below. Ask Your Tea (a) Determine the tension in the string. (Enter the magnitude only. Due to the nature of this problem, do not use rounded intermediate values in your calculations- including answers submitted in WebAssign.) (b) Determine the acceleration of each object. (Enter...
Most questions answered within 3 hours.
-
A distribution of values is normal with a mean of 157.8 and a
standard deviation of...
asked 14 minutes ago -
Suppose the demand for crossing the Brooklyn Bridge is given by
Q = 10,000 - 1000P....
asked 18 minutes ago -
Assume that we are in a Heckscher Ohlin world: 2 Two countries:
Home (H) and Foreign...
asked 19 minutes ago -
A nationally known supermarket decided to promote its own brand
of soft drinks on TV for...
asked 37 minutes ago -
A bond issued by IBM on December 1, 1996, is scheduled to mature
on December 1,...
asked 42 minutes ago -
Answer questions 17-19 below using the following information: A
firm is producing in the short-run (with...
asked 43 minutes ago -
an overhead electric power line carries a maximum current of 250
A. what is the magnitude...
asked 49 minutes ago -
Paul Gray mentioned he was concerned about the security of his
clients and their own management...
asked 2 hours ago -
If the momentum of a system is conserved, is the momentum of
each particle in the...
asked 4 hours ago -
What does Socrates defense reveal about the values he lives by?
What matters most to Socrates?
asked 5 hours ago -
A sample of ore containing manganese weighed 1.2354 grams. This
sample was heated in a solution...
asked 5 hours ago -
In JAVA please (need answers in a few hours!)
Exercise #2: Design and implement a program...
asked 9 hours ago