How much force is required to be exerted on a block weighing 200lb to reach a = 10ft/s2 towards the east? Assume a kinetic friction coefficient of 0.25.
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- A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.855 m/s encounters a rough horizontal surface of length ℓ = 0.65 m. If the coefficient of kinetic friction between the crate and rough surface is 0.357 and he exerts a constant horizontal force of 277 N on the crate, find the magnitude and direction of the net force on the crate while it is on the rough surface.A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 276N at a speed of v = 0.875m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.353. (a) Determine the magnitude and direction of the net force acting on the crate while it is pushed over the rough section of the floor. magnitude Ndirection ---Select--- up down in the same direction as the motion of the crate in the opposite direction as the motion of the crate (b) Determine the net work done on the crate while it is pushed over the rough section of the floor. J (c) Find the speed of the crate when it reaches the end of the rough surface. m/sA horizontal force is applied to an object weighing 392 N that causes its speed to increase uniformly from 0 m/s to 6 m/s in 3 seconds. If we disregard the friction value, calculate the applied force
- A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 283 N at a speed of v = 0.875 m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.354. (a)Determine the magnitude and direction of the net force acting on the crate while it is pushed over the rough section of the floor. (b) Determine the net work done on the crate while it is pushed over the rough section of the floor. (c) Find the speed of the crate when it reaches the end of the rough surface.A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 291 N at a speed of v = 0.845 m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.356. (a) Determine the magnitude and direction of the net force acting on the crate while it is pushed over the rough section of the floor. (b) Determine the net work done on the crate while it is pushed over the rough section of the floor. (c) Find the speed of the crate when it reaches the end of the rough surface.A girl on a skateboard (total mass of 50 kg) is moving at a speed of 10 m/s at the bottom of a long ramp. The ramp is inclined at 30° with respect to the horizontal. If she travels 18.2 m upward along the ramp before stopping, what is the net frictional force on her?
- A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 24 N. Starting from rest, the sled attains a speed of 2.0 m/s in 8.0 m. Find the coefficient of kinetic friction between the runners of the sled and the snow,Question 9 of 11 1 Points The coefficient of kinetic friction is / Die koëffisiënt van kinetiese wrywing is: You are pushing a crate on the flat floor of a warehouse. Starting from rest, you apply an horizontal force of 42 N, and attain a speed of 1.7 m/s over a distance 9.5 m. If the crate weighs 15 kg, find the coefficient of kinetic friction between the floor and the crate? Give your answer with 3DDP. ly stoot 'n krat op die plat vloer van 'n pakhuis. Jy begin vanuit rus, en oefen 'n horisontale krag van 42 N op die krat uit, en bereik 'n snelheid van 1.7 m/s oor 'n afstand 9.5 m. As die krat 15 kg weeg, bepaal die koëffisiënt van kinetiese wrywing tussen die vloer en die krat? Gee jou antwoord met 3DDP. Question 10 of 11 1 PointsA man pushing a crate of mass m = 92.0 kg at a speed of v = 0.880 m/s encounters a rough horizontal surface of length { = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.356 and he exerts a constant horizontal force of 276 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. (b) Find the net work done on the crate while it is on the rough surface. (c) Find the speed of the crate when it reaches the end of the rough surface.
- A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.880 m/s encounters a rough horizontal surface of length { = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.356 and he exerts a constant horizontal force of 276 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. magnitude 44.96 V N direction opposite as the motion of the crate (b) Find the net work done on the crate while it is on the rough surface. -29.22 (c) Find the speed of the crate when it reaches the end of the rough surface. 1.2A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 300 N at a speed of v = 0.850 m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.360. m (a) Determine the magnitude and direction of the net force acting on the crate while it is pushed over the rough section of the floor. magnitude Have you drawn a force diagram and identified all forces acting on the crate? N direction --Select-- X Have you drawn a force diagram and identified all forces acting on the crate? (b) Determine the net work done on the crate while it is pushed over the rough section of the floor. Can you write an expression for the net work done on the crate in terms of the net force acting on the crate? J (c) Find the speed of the crate when it reaches the end of the rough surface. Can you develop an expression for the final speed of the crate in terms of its initial…A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal surface of length { = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.359 and he exerts a constant horizontal force of 293 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. magnitude direction ---Select--- (b) Find the net work done on the crate while it is on the rough surface. J (c) Find the speed of the crate when it reaches the end of the rough surface. m/s