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Problem 18.87 Drops of an oil that has a mass density of 700 kg/m are released...
it has a speed When the 7-kg box reaches point VA = 13 m/s. (Figure 1)...
it has a speed When the 7-kg box reaches point VA = 13 m/s. (Figure 1) Part A Determine the normal force the box exerts on the surface when it reaches point B. Neglect friction and the size of the box. Express your answer to three significant figures and include the appropriate units. Figure < 1 of 1 I Å O2 ? N N = = Value N Submit Previous Answers Request Answer x1/2 + yl/2 = 3 X Incorrect;...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg starts from the rest and slides down a 300 incline which is 3.60 m high. At the bottom, it strikes a block of mass M-7.50 kg which is at rest on a horizontal surface (Figure 1). (Assume a smooth transition at the bottom of the incline.) The collision is elastic, and friction can be ignored Determine the speed of the block with mass m2.70...
Express your answer with the appropriate units. A 95.0 A current circulates around a 1.80-mm-diameter superconducting...
Express your answer with the appropriate units. A 95.0 A current circulates around a 1.80-mm-diameter superconducting ring. MÅ ? 242 A.m? Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B What is the on-axis magnetic field strength 5.50 cm from the ring? Express your answer with the appropriate units. HA ? 6.60.10 -5 T Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two...
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two points in time 6.80 s. Its speed as it passes the second point is 14.7 m/s What is its speed at the first point? Express your answer with the appropriate units. 4.394 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining Part B What is the acceleration? Express your answer with the appropriate units 1.692 Submit Previous Answers Request Answer Incorrect: Try...
A projectile is fired with Aprojectile is fired with an initial speed of 37.9 m/s at...
A projectile is fired with
Aprojectile is fired with an initial speed of 37.9 m/s at an angle of 42.1 above the horizontal on a long flat firing range. Part B Determine the total time in the air. Express your answer using three significant figures and include the appropriate units. HA ? trotal 5.081 Submit Previous Answers Request Answer xIncorrect; Try Again; 8 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number...
Part A What volume of a 150% by mass NaOH solution, which has a density of...
Part A What volume of a 150% by mass NaOH solution, which has a density of 1.116/mL should be used to make 465 L of an NaOH solution with a pH of 1027 Express your answer to one significant figure and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect: Try Again: 4 attempts remaining
KAssignment 3 Problem 14.76 Part A The 2-kg smooth collar has a speed of 3 m/s...
KAssignment 3 Problem 14.76 Part A The 2-kg smooth collar has a speed of 3 m/s when it is at 80. The spring has an unstretched lenath of 1 m Determine the maximum distance s the collar travels before it stops momentarily Express your answer to three significant figures and include the appropriate units. he o fes keyboard shortcuts heip 2.18 s = m Previous Answers Request Answer Submit X Incorrect: Try Again; 5 attempts remaining Figure 1 of 1>...
Review A disk of mass M and radius R has a hole of Express your answer...
Review A disk of mass M and radius R has a hole of Express your answer in terms of the variables M, R, and r radius T centered on the axis. +) Previous Answers Submit Correct Part B A 5.0-cm-diameter disk with a 3.0-cm-diameter hole rolls down a 55-cm-long, 21° ramp. What is its speed at the bottom? Express your answer to two significant figures and include the appropriate units РА m 2.3 Previous Answers Request Answer Submit XIncorrect; Try...
a solution that is 1.02% HCl by mass (Assume a density of 1.01 g/mL for the...
a solution that is 1.02% HCl by mass (Assume a density of 1.01 g/mL for the solution.) Express your answer to three decimal places. Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
A 1.3-cm-tall object is 18 cm in front of a convex mirror that has a -62...
A 1.3-cm-tall object is 18 cm in front of a convex mirror that has a -62 cm focal length. Calculate the position and height of the image. Express your answer to two significant figures and include the appropriate units. μΑ ? - 25 cm Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Express your answer to two significant figures and include the appropriate units. HA ? h' = 0.53 cm Submit Previous Answers Request...
it has a speed When the 7-kg box reaches point VA = 13 m/s. (Figure 1) Part A Determine the normal force the box exerts on the surface when it reaches point B. Neglect friction and the size of the box. Express your answer to three significant figures and include the appropriate units. Figure < 1 of 1 I Å O2 ? N N = = Value N Submit Previous Answers Request Answer x1/2 + yl/2 = 3 X Incorrect;...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg starts from the rest and slides down a 300 incline which is 3.60 m high. At the bottom, it strikes a block of mass M-7.50 kg which is at rest on a horizontal surface (Figure 1). (Assume a smooth transition at the bottom of the incline.) The collision is elastic, and friction can be ignored Determine the speed of the block with mass m2.70...
Express your answer with the appropriate units. A 95.0 A current circulates around a 1.80-mm-diameter superconducting ring. MÅ ? 242 A.m? Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B What is the on-axis magnetic field strength 5.50 cm from the ring? Express your answer with the appropriate units. HA ? 6.60.10 -5 T Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two points in time 6.80 s. Its speed as it passes the second point is 14.7 m/s What is its speed at the first point? Express your answer with the appropriate units. 4.394 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining Part B What is the acceleration? Express your answer with the appropriate units 1.692 Submit Previous Answers Request Answer Incorrect: Try...
A projectile is fired with
Aprojectile is fired with an initial speed of 37.9 m/s at an angle of 42.1 above the horizontal on a long flat firing range. Part B Determine the total time in the air. Express your answer using three significant figures and include the appropriate units. HA ? trotal 5.081 Submit Previous Answers Request Answer xIncorrect; Try Again; 8 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number...
Part A What volume of a 150% by mass NaOH solution, which has a density of 1.116/mL should be used to make 465 L of an NaOH solution with a pH of 1027 Express your answer to one significant figure and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect: Try Again: 4 attempts remaining
KAssignment 3 Problem 14.76 Part A The 2-kg smooth collar has a speed of 3 m/s when it is at 80. The spring has an unstretched lenath of 1 m Determine the maximum distance s the collar travels before it stops momentarily Express your answer to three significant figures and include the appropriate units. he o fes keyboard shortcuts heip 2.18 s = m Previous Answers Request Answer Submit X Incorrect: Try Again; 5 attempts remaining Figure 1 of 1>...
Review A disk of mass M and radius R has a hole of Express your answer in terms of the variables M, R, and r radius T centered on the axis. +) Previous Answers Submit Correct Part B A 5.0-cm-diameter disk with a 3.0-cm-diameter hole rolls down a 55-cm-long, 21° ramp. What is its speed at the bottom? Express your answer to two significant figures and include the appropriate units РА m 2.3 Previous Answers Request Answer Submit XIncorrect; Try...
a solution that is 1.02% HCl by mass (Assume a density of 1.01 g/mL for the solution.) Express your answer to three decimal places. Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
A 1.3-cm-tall object is 18 cm in front of a convex mirror that has a -62 cm focal length. Calculate the position and height of the image. Express your answer to two significant figures and include the appropriate units. μΑ ? - 25 cm Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Express your answer to two significant figures and include the appropriate units. HA ? h' = 0.53 cm Submit Previous Answers Request...
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