Normal force exerted on the box by the surface
A Fed Ex worker pulls a box of mass 20 kg with a force of 120 N at an 11 degree angle with respect to the floor.
(a) Ignoring friction, what is the acceleration of the box?
(b) What is the normal force exerted on the box by the surface?
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A stream of water strikes a stationary turbine blade horizontally.the incident stream has a velocity of +16m/s while the exit has a velocity of -16m/s.the mass of water per second that strikes the blade is 30kg/s.find the magnitude of average forc
A 2000 kg plane uniformly accelerates from rest to a launch speed of 300 km/h in 2.0 s. What is the magnitude of the net force on the plane?
She first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive displacements, y and x. What are the magnitude and direction of x and y?
How has the American history of African slavery influenced our society? Give examples?
A Fed Ex worker pulls a box of mass 20 kg with a force of 120 N at an 11 degree angle with respect to the floor (a) Ignoring friction, what is the acceleration of the box?
Find ΔE, the energy lost during the collision between the ball and the ground.
A 4.0 kg ball with a velocity of 5 m/s in the +x- direction collides head on elastically with a stationary 2.0 kg ball. What are the velocities of the balls after the collision?
Are there test banks available for any of these history books?
The coefficient of kinetic friction between the log and the ramp is 0.890, and the log has an acceleration of 0.800 m/s2. Find the tension in the rope.
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