A box of mass 6.0 KG accelerates from rest by a force across the floor at...
A box of mass 6.0 KG accelerates from rest by a force across the floor at a rate of 2.3 m/s^2 for 5.0s. Find the net work done on the box if the weight is pulled up by a force of 85 N.
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A box of mass 6.0 KG accelerates from rest by a force across the
floor at...
please answer question 3 and 4. l bect is pushed across a surface with a coefficient...
please answer question 3 and 4.
l bect is pushed across a surface with a coefficient of kinetic friction between object and surface of 27. If the object slid with a speed of 3 how far will it go before it comes to rest? 3 A 4.2 kg car is lifted 25 m vertically with an acceleration a 265g by a single cable. Determine the net work done on the load. A box of mass 6.0 kg accelerates from rest...
A box of mass 40 kg is initially at rest on a flat floor. The coefficient...
A box of mass 40 kg is initially at rest on a flat floor. The coefficient of kinetic friction between the box and the floor is µk = 0.40. A woman pushes against the box with a force of 250 N that makes an angle of 30° with the horizontal until the box attains a speed of 1.0 m/s. (a) What is the change of kinetic energy of the box? (b) What is the work done by the friction force...
3. A box having a mass equal to 10.0 kg is initially at rest on a...
3. A box having a mass equal to 10.0 kg is initially at rest on a horizontal, frictionless floor. A pulling force having a magnitude of 5.00 N is applied at an angle of 30.0° above the horizontal. The box is pulled a distance of 15.0 m. 7 ] = 5.00 N 30.0° (a) What is the work done by the pulling force? (b) What is the work done by gravity? (c) What is the work done by the normal...
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force...
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force of 230 N at an angle of 26.0° from the horizontal. The box starts from rest and moves across a level floor for a distance of 3.66 m. The coefficient of kinetic friction is -0.384 230 N 43.66 m a) Show that the normal force on the box is 522 N. b) Find the force of friction on the box. c) What is the...
A 20 kg box s initially at rest. Two forces drag. it across the floor, F_1...
A 20 kg box s initially at rest. Two forces drag. it across the floor, F_1 = 35 N i and F_2 = 35 N j, which cause a displacement of 3.5 m Imagine the x-y plane lies on the floor. (a) Draw the displacement vector and show (no need to calculate) the direction in which the package moves? (b) How much work is done by each force individually (F_1 and F_2)? (c) The coefficient of kinetic friction between the...
A box is moved 10 m across by a floor a force or 25 N acting...
A box is moved 10 m across by a floor a force or 25 N acting along the direction of motion. The work done by the force is __________ A painter of mass 70 kg climbs 3.0 m up a ladder. The painter's potential energy has increased by ____________
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with...
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500 N. A frictional force of 150 N acts on the box. The total mass of the box and penguins is 100kg. What is the acceleration of the box? 1.5 m/s2 5 m/s2 3.5 m/s^2 0.3 m/s2 0.2 m/s2 Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500...
2. (a) A 6.0 kg box is sliding across a floor when it hits a horizontal...
2. (a) A 6.0 kg box is sliding across a floor when it hits a horizontal spring of spring constant 95.0 N/m. If the box is shoved 1.00 m from the end of the spring with an initial speed of 4.0 m/s and friction can be neglected, how much will the spring be compressed?
A 24.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first...
A 24.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 11.0 m the floor is frictionless, and for the next 10.0 m the coefficient of friction is 0.20. What is the final speed of the crate after being pulled these 21.0 m ?
A 46.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For th...
A 46.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 11.0 m the floor is frictionless, and for the next 10.0 m the coefficient of friction is 0.20. What is the final speed of the crate after being pulled these 21.0 m?
please answer question 3 and 4.
l bect is pushed across a surface with a coefficient of kinetic friction between object and surface of 27. If the object slid with a speed of 3 how far will it go before it comes to rest? 3 A 4.2 kg car is lifted 25 m vertically with an acceleration a 265g by a single cable. Determine the net work done on the load. A box of mass 6.0 kg accelerates from rest...
3. A box having a mass equal to 10.0 kg is initially at rest on a horizontal, frictionless floor. A pulling force having a magnitude of 5.00 N is applied at an angle of 30.0° above the horizontal. The box is pulled a distance of 15.0 m. 7 ] = 5.00 N 30.0° (a) What is the work done by the pulling force? (b) What is the work done by gravity? (c) What is the work done by the normal...
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force of 230 N at an angle of 26.0° from the horizontal. The box starts from rest and moves across a level floor for a distance of 3.66 m. The coefficient of kinetic friction is -0.384 230 N 43.66 m a) Show that the normal force on the box is 522 N. b) Find the force of friction on the box. c) What is the...
A 20 kg box s initially at rest. Two forces drag. it across the floor, F_1 = 35 N i and F_2 = 35 N j, which cause a displacement of 3.5 m Imagine the x-y plane lies on the floor. (a) Draw the displacement vector and show (no need to calculate) the direction in which the package moves? (b) How much work is done by each force individually (F_1 and F_2)? (c) The coefficient of kinetic friction between the...
A box is moved 10 m across by a floor a force or 25 N acting along the direction of motion. The work done by the force is __________ A painter of mass 70 kg climbs 3.0 m up a ladder. The painter's potential energy has increased by ____________
Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500 N. A frictional force of 150 N acts on the box. The total mass of the box and penguins is 100kg. What is the acceleration of the box? 1.5 m/s2 5 m/s2 3.5 m/s^2 0.3 m/s2 0.2 m/s2 Jane pushes a box loaded with penguins, which is initially at rest, across the floor with a constant force of 500...
2. (a) A 6.0 kg box is sliding across a floor when it hits a horizontal spring of spring constant 95.0 N/m. If the box is shoved 1.00 m from the end of the spring with an initial speed of 4.0 m/s and friction can be neglected, how much will the spring be compressed?
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