A worker pushes a 100 kg crate upward a distance 5.0 m along a frictionless conveyer...
A worker pushes a 100 kg crate upward a distance 5.0 m along a frictionless conveyer that makes an angle of 30 degrees with the horizontal. The force she exerts is parallel to the conveyer. If the speed of the crate is constant, the work done by the worker is
A
250 J
B
-2,500 J
C
2,500 J
D
500 J
E
-250 J
F
-500 J
Homework Answers
Add Answer to:
A worker pushes a 100 kg crate upward a distance 5.0 m along a
frictionless conveyer...
An 85.0-kg man who pushes a crate 4.2 m up along a ramp that makes and...
An 85.0-kg man who pushes a crate 4.2 m up along a ramp that makes and angle of 21° with the horizontal. He exerts a force of 500 N on the crate parallel to the ramp and moves at a constant speed. a) Calculate the work done by the man on the crate. b) Calculate the work done by the man on himself.
A factory worker pushes a 30.0 kg crate a distance of 5.7 m along a level...
A factory worker pushes a 30.0 kg crate a distance of 5.7 m along a level floor at constant velocity by pushing downward at an angle of 30 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. How much work is done by gravity? What is the total work done on the crate?
A factory worker pushes a 29.3 kg crate a distance of 4.1 m along a level...
A factory worker pushes a 29.3 kg crate a distance of 4.1 m along a level floor at constant velocity by pushing downward at an angle of 28 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. 1) What magnitude of force must the worker apply to move the crate at constant velocity? 2) How much work is done on the crate by this force when the crate is pushed a distance of...
A factory worker pushes a 28.1 kg crate a distance of 4.1 m along a level...
A factory worker pushes a 28.1 kg crate a distance of 4.1 m along a level floor at constant velocity by pushing downward at an angle of 31 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.26. Part A: What magnitude of force must the worker apply to move the crate at constant velocity? Part B: How much work is done on the crate by this force when the crate is pushed a...
A factory worker pushes a 30.0 kg crate a distance of 4.5 m along a level...
A factory worker pushes a 30.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing downward at an angle of 30° below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. Part A What magnitude of force must the worker apply to move the crate at constant velocity? Part B How much work is done on the crate by this force when the crate is pushed a distance of 4.5 m? Part C How...
A factory worker pushes a crate of mass 32.0 kg a distance of 4.20 m along...
A factory worker pushes a crate of mass 32.0 kg a distance of 4.20 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and floor is 0.25. What magnitude of force must the worker apply? Express your answer using two significant figures. F = N Part B How much work is done on the crate by this force? Express your answer using two significant figures. W = J ...
Calculate the work done by an 70.0-kg man who pushes a crate 4.50 m up along...
Calculate the work done by an 70.0-kg man who pushes a crate 4.50 m up along a ramp that makes an angle of 24.0° with the horizontal. (See figure below.) He exerts a force of 535 N on the crate parallel to the ramp and moves at a constant speed. Be certain to include the work he does on the crate and on his body to get up the ramp 1021.2J Enviar Respuesta Incorrecto. Tries 5/50 Intentos Anteriores
Please show work for each part. A factory worker pushes a 26.5-kg crate a distance of...
Please show work for each part.
A factory worker pushes a 26.5-kg crate a distance of 4.3 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.27 Suppose the worker pushes downward at and angle of 340 below horizontal. (a) What magnitude of force must the worker apply? (b) How much work is done on the crate by this force? (c) How much work...
2. A factory worker pushes a 40.0 kg crate a distance of 4.5 m along a...
2. A factory worker pushes a 40.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.25. (a) What magnitude of force must the worker apply? (1 mark) (b) Write the force in part (a) as a row vector (1/2 mark) (c) Write the displacement as a row vector (1/2 mark) product of two row vectors (1 mark)...
Just asking help with Part I A factory worker pushes a 30.0 kg crate a distance...
Just asking help with Part I
A factory worker pushes a 30.0 kg crate a distance of 4.40 m along a level floor by pushing downward at an angle of 28.0° below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.260. The Crate is Pushed with Increasing Speed Now assume that, instead of the previous situation, the worker pushes harder (without changing the direction of his push), so that the crate moves with increasing speed....
Calculate the work done by an 70.0-kg man who pushes a crate 4.50 m up along a ramp that makes an angle of 24.0° with the horizontal. (See figure below.) He exerts a force of 535 N on the crate parallel to the ramp and moves at a constant speed. Be certain to include the work he does on the crate and on his body to get up the ramp 1021.2J Enviar Respuesta Incorrecto. Tries 5/50 Intentos Anteriores
Please show work for each part.
A factory worker pushes a 26.5-kg crate a distance of 4.3 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.27 Suppose the worker pushes downward at and angle of 340 below horizontal. (a) What magnitude of force must the worker apply? (b) How much work is done on the crate by this force? (c) How much work...
2. A factory worker pushes a 40.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.25. (a) What magnitude of force must the worker apply? (1 mark) (b) Write the force in part (a) as a row vector (1/2 mark) (c) Write the displacement as a row vector (1/2 mark) product of two row vectors (1 mark)...
Just asking help with Part I
A factory worker pushes a 30.0 kg crate a distance of 4.40 m along a level floor by pushing downward at an angle of 28.0° below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.260. The Crate is Pushed with Increasing Speed Now assume that, instead of the previous situation, the worker pushes harder (without changing the direction of his push), so that the crate moves with increasing speed....
Most questions answered within 3 hours.
-
26) Briefly describe, using words or simple diagrams, the
chemiosmotic theory for coupling oxidation to phosphorylation...
asked 20 minutes ago -
Suppose that XX is a random variable with mean 16 and standard
deviation 5 . Also...
asked 1 hour ago -
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 4 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 4 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 5 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 6 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 7 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 7 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 7 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 8 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 8 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 8 hours ago