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5- The bacterium E coli swims 2 cm west in 14 seconds, remains stationary for 3...
a selenoid is 20 cm long and has a cross sectional area of 5x10 ^ -4...
a selenoid is 20 cm long and has a cross sectional area of 5x10 ^ -4 m ^ 2. When the current through the selenoid decreases at a rate of 0.625 A / s, the induced emf is 2x10 ^ -4 V. Find the number of turns / unit length of the selenoid.
Timed Test This test has a time limit of 1 hour and 30 minutes. This test will save and submit automatically when the time expires Warnings appear...
question 5 Module 2B: Velocity and Acceleration 4. A car travels up a hill at a...
question 5
Module 2B: Velocity and Acceleration 4. A car travels up a hill at a constant speed of 40 km/h and returns down the hill at a constant speed of 60 km/h. (a) The displacement for the round trip is Hint: Ar ? (b) The average velocity for the round trip is Hint: Ar (c) The average speed for the round trip skm/h km/h At average speed -total distacekm/h total time Assume the distance for one way is d,...
PLEASE HELP ME AND SHOW STEPS. THANK YOU 1) It is desined to step up a...
PLEASE HELP ME AND SHOW STEPS. THANK YOU
1) It is desined to step up a vollage of 120 V to 96,000 v. The turns ratio N/N, of the transformer a) I/28 b) (64 x 10y )28 d) 8001 if the voltage is stepped that power is not lost in an ideal transformer, consider the situation in the above question. 2) Starting from the idea t up 800 times, the current is a) the same, since power is the same...
Directions: Read the questions carefully and write your answers in the space 1. Which of the...
Directions: Read the questions carefully and write your answers in the space 1. Which of the following is the negation of the vector 12 cmi+0 cmj. a) (12 cm,0°) c) (12 cm, 180) b) (12 cm, 90) d) (-12 cm, 1809) 2. Which of the following is the vector (8 cm, 60°) in rectangular coordinates. a) 4 3i+4j c)8i+oj d) 4i+ 4v3j 3. The velocity of a projectile at its highest point is always (o) a Negative c Zero b...
Solve exactly if possible. Express all decimals to 4 significant figures. 1) 2) 3) 4) 5)...
Solve exactly if possible. Express all decimals to 4 significant figures. 1) 2) 3) 4) 5) 6) 7) What are Newton's Laws of motion? What is a "frame of reference"? What is a coordinate system? Express the point x-3, y-4 using polar coordinates. What is the SI unit for force? How is it defined using SI base units? What are the four fundamental forces in the universe? What is the approximate gravitational acceleration, g, near the Earth's surface? If this...
please answer all I beg you ASAP! and please try solving most of them thabk you...
please answer all I beg you ASAP! and please try solving most of
them thabk you so much
Question 23 (1 point) At an instant a traffic light turns green, a truck starts with a constant acceleration of 1.8 m/s2. At the same moment a taxi travelling with a constant speed of 8.5 m/s overtakes and passes the truck. Which two equations properly describe the position of the truck and the taxi? a) dtruck = 8.5at dtaxi = 8.5at b)...
Keller Construction is considering two new investments. Project E calls for the purchase of earthmoving equipment....
Keller Construction is
considering two new investments. Project E calls for the purchase
of earthmoving equipment. Project H represents an investment in a
hydraulic lift. Keller wishes to use a net present value profile in
comparing the projects. The investment and cash flow patterns are
as follows: Use Appendix B for an approximate answer but calculate
your final answer using the formula and financial calculator
methods.
Project E
Project H
($40,000 Investment)
($36,000 Investment)
Year
Cash Flow
Year
Cash Flow...
5:16 lLTE ) Done 1 of 5 Assessment #1 (Kinematics of a Particle) Rectilinear Motion (Straight...
5:16 lLTE ) Done 1 of 5 Assessment #1 (Kinematics of a Particle) Rectilinear Motion (Straight linc Motion 3. The position of a point during the interval of time from r otor 6 is given by ** * m. (a) What is the maximum velocity during this interval of time, and at what time does it occur? (b) What is the acceleration when the velocity is a maximum? (20 m/s, 0 m/s 3. A test projectile is fired horizontally into...
t the Wackes in ersed from e with mantude of 15 The Black I haa t...
t the Wackes in ersed from e with mantude of 15 The Black I haa t he block 2 has mass and Neck has a mass Calculate c t of inte friction between black and a (A) 0.34 B) 0.45 (C) 0.87 (D) 0:54 0.99 14 The work of a given force has its maximum positive value when CA) The vector of displacement and force are at the same direction B) The vector of displacement and force are at the...
1. A pole is held vertically by attaching wires at a height of 13.4 m above...
1. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base of the pole. The pole makes a right angle with the ground. What is the length of each wire? 2. A bug crawls 2.25 m along the base of a wall. Upon reaching a corner, the bug's direction of travel changes from...
a selenoid is 20 cm long and has a cross sectional area of 5x10 ^ -4 m ^ 2. When the current through the selenoid decreases at a rate of 0.625 A / s, the induced emf is 2x10 ^ -4 V. Find the number of turns / unit length of the selenoid.
Timed Test This test has a time limit of 1 hour and 30 minutes. This test will save and submit automatically when the time expires Warnings appear...
question 5
Module 2B: Velocity and Acceleration 4. A car travels up a hill at a constant speed of 40 km/h and returns down the hill at a constant speed of 60 km/h. (a) The displacement for the round trip is Hint: Ar ? (b) The average velocity for the round trip is Hint: Ar (c) The average speed for the round trip skm/h km/h At average speed -total distacekm/h total time Assume the distance for one way is d,...
PLEASE HELP ME AND SHOW STEPS. THANK YOU
1) It is desined to step up a vollage of 120 V to 96,000 v. The turns ratio N/N, of the transformer a) I/28 b) (64 x 10y )28 d) 8001 if the voltage is stepped that power is not lost in an ideal transformer, consider the situation in the above question. 2) Starting from the idea t up 800 times, the current is a) the same, since power is the same...
Directions: Read the questions carefully and write your answers in the space 1. Which of the following is the negation of the vector 12 cmi+0 cmj. a) (12 cm,0°) c) (12 cm, 180) b) (12 cm, 90) d) (-12 cm, 1809) 2. Which of the following is the vector (8 cm, 60°) in rectangular coordinates. a) 4 3i+4j c)8i+oj d) 4i+ 4v3j 3. The velocity of a projectile at its highest point is always (o) a Negative c Zero b...
Solve exactly if possible. Express all decimals to 4 significant figures. 1) 2) 3) 4) 5) 6) 7) What are Newton's Laws of motion? What is a "frame of reference"? What is a coordinate system? Express the point x-3, y-4 using polar coordinates. What is the SI unit for force? How is it defined using SI base units? What are the four fundamental forces in the universe? What is the approximate gravitational acceleration, g, near the Earth's surface? If this...
please answer all I beg you ASAP! and please try solving most of
them thabk you so much
Question 23 (1 point) At an instant a traffic light turns green, a truck starts with a constant acceleration of 1.8 m/s2. At the same moment a taxi travelling with a constant speed of 8.5 m/s overtakes and passes the truck. Which two equations properly describe the position of the truck and the taxi? a) dtruck = 8.5at dtaxi = 8.5at b)...
Keller Construction is
considering two new investments. Project E calls for the purchase
of earthmoving equipment. Project H represents an investment in a
hydraulic lift. Keller wishes to use a net present value profile in
comparing the projects. The investment and cash flow patterns are
as follows: Use Appendix B for an approximate answer but calculate
your final answer using the formula and financial calculator
methods.
Project E
Project H
($40,000 Investment)
($36,000 Investment)
Year
Cash Flow
Year
Cash Flow...
5:16 lLTE ) Done 1 of 5 Assessment #1 (Kinematics of a Particle) Rectilinear Motion (Straight linc Motion 3. The position of a point during the interval of time from r otor 6 is given by ** * m. (a) What is the maximum velocity during this interval of time, and at what time does it occur? (b) What is the acceleration when the velocity is a maximum? (20 m/s, 0 m/s 3. A test projectile is fired horizontally into...
t the Wackes in ersed from e with mantude of 15 The Black I haa t he block 2 has mass and Neck has a mass Calculate c t of inte friction between black and a (A) 0.34 B) 0.45 (C) 0.87 (D) 0:54 0.99 14 The work of a given force has its maximum positive value when CA) The vector of displacement and force are at the same direction B) The vector of displacement and force are at the...
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